feat(alg9 phase0): skeleton + миграция учебника Алгебра 9
- 020_algebra_9_hub.sql: hub (slug 'algebra-9', indigo, 19 параграфов) + 4 главы - algebra_9_hub.html: страница каталога с индиго-палитрой - algebra_9_ch1..ch4.html: skeleton-страницы 4 глав * Глава 1 (amber): §1-§5 Рациональные выражения * Глава 2 (emerald): §6-§9 Функции * Глава 3 (violet): §10-§13 Дробно-рациональные уравнения и неравенства * Глава 4 (cyan): §14-§19 Прогрессии - Все skeleton-файлы рабочие: переключение параграфов, theme toggle, search modal, sidebar, progress, XP. Stub-плейсхолдеры в buildPx(). - Наполнение параграфов запланировано на Phase 1+.
This commit is contained in:
Maxim Dolgolyov
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<!doctype html>
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<title>Алгебра 9 · Глава 1 · Рациональные выражения</title>
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</head>
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<body>
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<header class="hdr">
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<div class="hdr-row">
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<div>
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<h1>Алгебра 9 · Глава 1</h1>
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<div class="hdr-sub">Рациональные дроби · ОДЗ · действия с дробями</div>
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</div>
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<div class="hdr-side">
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<a href="/textbook/algebra-9" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> К алгебре 9</a>
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<button id="search-btn" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><circle cx="11" cy="11" r="7"/><path d="m21 21-4-4"/></svg> Поиск</button>
|
||||
<button id="sidebar-btn" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><line x1="4" y1="6" x2="20" y2="6"/><line x1="4" y1="12" x2="20" y2="12"/><line x1="4" y1="18" x2="14" y2="18"/></svg> Шпаргалка</button>
|
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|
||||
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|
||||
</div>
|
||||
</header>
|
||||
|
||||
<main class="main">
|
||||
<div class="col-main">
|
||||
|
||||
<section class="hero">
|
||||
<h2>Рациональные выражения — алгебра дробей</h2>
|
||||
<p>Здесь мы изучаем <b>рациональные дроби</b> (выражения вида $\dfrac{P(x)}{Q(x)}$), их <b>область допустимых значений</b>, основное свойство и <b>сокращение</b>, четыре арифметических действия и <b>преобразование</b> сложных рациональных выражений.</p>
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<div class="hero-row">
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<button class="btn-primary" onclick="goTo('p1')"><svg class="ic" viewBox="0 0 24 24"><polygon points="6 4 20 12 6 20 6 4" fill="currentColor" stroke="none"/></svg> Начать § 1</button>
|
||||
<div class="hero-progress">
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||||
<span class="hp-label">Прогресс по главе</span>
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||||
<div class="hp-bar"><div id="hero-hp-fill" class="hp-fill"></div></div>
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<span id="hero-hp-text" class="hp-text">0%</span>
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</div>
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<div id="hero-xp-badge" class="hero-xp-badge"></div>
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</div>
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||||
</section>
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<section class="psel">
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||||
<div class="psel-title">Параграфы главы</div>
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||||
<div id="psel-grid" class="psel-grid"></div>
|
||||
</section>
|
||||
|
||||
<section id="sec-p1" class="sec" data-watermark="P/Q"><div class="sec-header"><span class="sec-num">§ 1</span><h2 class="sec-h">Рациональная дробь</h2></div><div id="p1-body"></div></section>
|
||||
<section id="sec-p2" class="sec" data-watermark="k"><div class="sec-header"><span class="sec-num">§ 2</span><h2 class="sec-h">Основное свойство дроби</h2></div><div id="p2-body"></div></section>
|
||||
<section id="sec-p3" class="sec" data-watermark="+"><div class="sec-header"><span class="sec-num">§ 3</span><h2 class="sec-h">Сложение и вычитание</h2></div><div id="p3-body"></div></section>
|
||||
<section id="sec-p4" class="sec" data-watermark="×"><div class="sec-header"><span class="sec-num">§ 4</span><h2 class="sec-h">Умножение и деление</h2></div><div id="p4-body"></div></section>
|
||||
<section id="sec-p5" class="sec" data-watermark="…"><div class="sec-header"><span class="sec-num">§ 5</span><h2 class="sec-h">Преобразование выражений</h2></div><div id="p5-body"></div></section>
|
||||
<section id="sec-final1" class="sec" data-watermark="★"><div class="sec-header"><span class="sec-num" style="background:linear-gradient(135deg,#d97706,#f59e0b)">Финал главы</span><h2 class="sec-h">Итоги. 5 боссов главы 1</h2></div><div id="final1-body"></div></section>
|
||||
|
||||
</div>
|
||||
<aside class="col-side" id="col-side"><div id="sidebar-content"></div></aside>
|
||||
<div class="col-side-backdrop" id="col-side-backdrop"></div>
|
||||
</main>
|
||||
|
||||
<footer class="foot">Интерактивный учебник «Алгебра 9» · Глава 1 · Рациональные выражения · LearnSpace</footer>
|
||||
|
||||
<div id="ach-popup" class="ach-popup"><svg class="ic" viewBox="0 0 24 24" style="width:22px;height:22px"><polygon points="12,2 22,20 2,20"/></svg><span id="ach-text">Достижение!</span></div>
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<div id="gloss-tip" class="gloss-tip"></div>
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<div id="search-modal" class="search-modal" role="dialog">
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<div class="search-box">
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<input type="text" id="search-input" class="search-input" placeholder="Поиск…" autocomplete="off">
|
||||
<div id="search-results" class="search-results"></div>
|
||||
<div class="search-foot"><span><kbd>↑↓</kbd> навигация</span><span><kbd>Enter</kbd> открыть</span><span><kbd>Esc</kbd> закрыть</span></div>
|
||||
</div>
|
||||
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|
||||
|
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|
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{ id:'p1', num:'§ 1', name:'Рациональная дробь', sub:'ОДЗ выражения' },
|
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|
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|
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{ id:'p4', num:'§ 4', name:'Умножение и деление', sub:'×, ÷ дробей' },
|
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{ id:'p5', num:'§ 5', name:'Преобразование выражений', sub:'Сложные дроби' },
|
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|
||||
p2:{title:'Шпаргалка \xA72',rows:[['Свойство','$\dfrac{P \cdot R}{Q \cdot R} = \dfrac{P}{Q}$ при $R \ne 0$'],['Сокращение','делим числитель и знаменатель на общий множитель'],['Знак','$\dfrac{-a}{-b} = \dfrac{a}{b}$, $\dfrac{-a}{b} = -\dfrac{a}{b}$']]},
|
||||
p3:{title:'Шпаргалка \xA73',rows:[['Одинак.знам.','$\dfrac{a}{c} \pm \dfrac{b}{c} = \dfrac{a \pm b}{c}$'],['Разные знам.','приведи к общему знаменателю'],['НОЗ','наименьший общий знаменатель']]},
|
||||
p4:{title:'Шпаргалка \xA74',rows:[['Умножение','$\dfrac{a}{b} \cdot \dfrac{c}{d} = \dfrac{ac}{bd}$'],['Деление','$\dfrac{a}{b} : \dfrac{c}{d} = \dfrac{a}{b} \cdot \dfrac{d}{c}$'],['Степень','$\left(\dfrac{a}{b}\right)^n = \dfrac{a^n}{b^n}$']]},
|
||||
p5:{title:'Шпаргалка \xA75',rows:[['Шаг 1','выпиши ОДЗ'],['Шаг 2','разложи на множители'],['Шаг 3','выполни действия по порядку'],['Шаг 4','сократи результат']]},
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|
||||
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|
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{sec:'p4',html:'$\dfrac{a}{b} \cdot \dfrac{c}{d} = \dfrac{ac}{bd}$, $\dfrac{a}{b} : \dfrac{c}{d} = \dfrac{ad}{bc}$.'},
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oral:'<svg class="ic" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>',
|
||||
};
|
||||
|
||||
function secNav(prev, next){
|
||||
const NAMES={p1:'\xA71',p2:'\xA72',p3:'\xA73',p4:'\xA74',p5:'\xA75',final1:'Финал'};
|
||||
let h='<div class="sec-nav">';
|
||||
h+=prev?'<button class="btn" onclick="goTo(\''+prev+'\')"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> '+NAMES[prev]+'</button>':'<span></span>';
|
||||
h+=next?'<button class="btn primary" onclick="goTo(\''+next+'\')">'+NAMES[next]+' <svg class="ic" viewBox="0 0 24 24"><polyline points="9 18 15 12 9 6"/></svg></button>':'<span></span>';
|
||||
h+='</div>'; return h;
|
||||
}
|
||||
|
||||
function readButton(paraId){
|
||||
return '<div style="margin-top:18px;display:flex;justify-content:center">'
|
||||
+'<button class="btn primary" id="'+paraId+'-read-btn">'
|
||||
+'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>'
|
||||
+' Я прочитал — '+(paraId.startsWith('final')?'финал':'\xA7'+paraId.replace('p',''))+' (+10 XP)'
|
||||
+'</button></div>';
|
||||
}
|
||||
function wireReadBtn(paraId){
|
||||
const btn = document.getElementById(paraId+'-read-btn'); if(!btn) return;
|
||||
btn.addEventListener('click', ()=>{
|
||||
addXp(10, paraId+'-read'); bumpProgress(paraId, 100);
|
||||
btn.textContent='Прочитано! +10 XP'; btn.disabled=true; btn.style.opacity=.6;
|
||||
if(paraId==='final1') achievement('ch1_done');
|
||||
});
|
||||
}
|
||||
|
||||
/* ===== STUB BUILDERS — наполнение в Phase 1+ ===== */
|
||||
|
||||
function buildP1(){
|
||||
const root = document.getElementById('p1-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 1</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Рациональная дробь»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav(null, 'p2') + readButton('p1');
|
||||
renderMath(root);
|
||||
wireReadBtn('p1');
|
||||
}
|
||||
|
||||
function buildP2(){
|
||||
const root = document.getElementById('p2-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 2</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Основное свойство дроби»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p1', 'p3') + readButton('p2');
|
||||
renderMath(root);
|
||||
wireReadBtn('p2');
|
||||
}
|
||||
|
||||
function buildP3(){
|
||||
const root = document.getElementById('p3-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 3</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Сложение и вычитание»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p2', 'p4') + readButton('p3');
|
||||
renderMath(root);
|
||||
wireReadBtn('p3');
|
||||
}
|
||||
|
||||
function buildP4(){
|
||||
const root = document.getElementById('p4-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 4</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Умножение и деление»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p3', 'p5') + readButton('p4');
|
||||
renderMath(root);
|
||||
wireReadBtn('p4');
|
||||
}
|
||||
|
||||
function buildP5(){
|
||||
const root = document.getElementById('p5-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 5</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Преобразование выражений»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p4', 'final1') + readButton('p5');
|
||||
renderMath(root);
|
||||
wireReadBtn('p5');
|
||||
}
|
||||
|
||||
function buildFinal1(){
|
||||
const root = document.getElementById('final1-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">★</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание финала главы <b>Финал главы — в разработке</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Боссы и итоговые задания будут добавлены в Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p5', null) + readButton('final1');
|
||||
renderMath(root);
|
||||
wireReadBtn('final1');
|
||||
}
|
||||
|
||||
/* ===== Search ===== */
|
||||
const SEARCH_INDEX = (function(){
|
||||
const arr=[];
|
||||
PARAS.forEach(p=>arr.push({kind:'Параграф',title:p.num+' '+p.name,desc:p.sub||'',sec:p.id}));
|
||||
return arr;
|
||||
})();
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const modal=document.getElementById('search-modal'),inp=document.getElementById('search-input'),out=document.getElementById('search-results'),btn=document.getElementById('search-btn');
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||||
if(!modal||!inp||!out) return;
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let cur=0,rows=[];
|
||||
function score(q,it){ const t=(it.title+' '+it.desc).toLowerCase(); if(t.includes(q)) return 100+(it.title.toLowerCase().startsWith(q)?50:0); let s=0; q.split(/\s+/).forEach(w=>{if(w&&t.includes(w))s+=10;}); return s; }
|
||||
function rank(q){ q=q.trim().toLowerCase(); if(!q) return SEARCH_INDEX.slice(0,12); return SEARCH_INDEX.map(it=>({it,s:score(q,it)})).filter(x=>x.s>0).sort((a,b)=>b.s-a.s).slice(0,20).map(x=>x.it); }
|
||||
function render(){ cur=0; if(!rows.length){out.innerHTML='<div class="search-empty">Ничего не найдено</div>';return;} out.innerHTML=rows.map((r,i)=>'<button class="search-row'+(i===0?' active':'')+'" data-i="'+i+'"><div class="sr-kind">'+r.kind+'</div><div class="sr-title">'+r.title+'</div>'+(r.desc?'<div class="sr-desc">'+(r.desc.length>90?r.desc.slice(0,90)+'…':r.desc)+'</div>':'')+'</button>').join(''); out.querySelectorAll('.search-row').forEach(b=>b.addEventListener('click',()=>{cur=+b.dataset.i;pick();})); }
|
||||
function pick(){ const r=rows[cur]; if(!r) return; close(); goTo(r.sec); }
|
||||
function move(d){ const items=out.querySelectorAll('.search-row'); if(!items.length) return; items[cur]&&items[cur].classList.remove('active'); cur=(cur+d+items.length)%items.length; items[cur].classList.add('active'); items[cur].scrollIntoView({block:'nearest'}); }
|
||||
function open(){ modal.classList.add('show'); inp.value=''; rows=rank(''); render(); setTimeout(()=>inp.focus(),50); }
|
||||
function close(){ modal.classList.remove('show'); }
|
||||
btn&&btn.addEventListener('click',open);
|
||||
modal.addEventListener('click',e=>{if(e.target===modal)close();});
|
||||
inp.addEventListener('input',()=>{rows=rank(inp.value);render();});
|
||||
inp.addEventListener('keydown',e=>{ if(e.key==='ArrowDown'){e.preventDefault();move(1);}else if(e.key==='ArrowUp'){e.preventDefault();move(-1);}else if(e.key==='Enter'){e.preventDefault();pick();}else if(e.key==='Escape'){e.preventDefault();close();} });
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||||
document.addEventListener('keydown',e=>{ if((e.ctrlKey||e.metaKey)&&(e.key==='k'||e.key==='K')){ e.preventDefault(); if(modal.classList.contains('show')) close(); else open(); } });
|
||||
}
|
||||
|
||||
function initSidebarToggle(){
|
||||
const side=document.getElementById('col-side'),back=document.getElementById('col-side-backdrop'),btn=document.getElementById('sidebar-btn');
|
||||
if(!side||!btn) return;
|
||||
function open(){ side.classList.add('open'); back.classList.add('show'); }
|
||||
function close(){ side.classList.remove('open'); back.classList.remove('show'); }
|
||||
btn.addEventListener('click',()=>{ if(side.classList.contains('open')) close(); else open(); });
|
||||
back.addEventListener('click',close);
|
||||
document.addEventListener('keydown',e=>{ if(e.key==='Escape') close(); });
|
||||
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|
||||
|
||||
function init(){
|
||||
loadProgress(); initTheme(); initSidebarToggle(); initSearch();
|
||||
buildParaSelector(); refreshProgressUI(); loadServerReadState(); goTo('p1');
|
||||
setTimeout(()=>achievement('start'), 600);
|
||||
if(window.LS&&window.LS.xp){
|
||||
window.LS.xp.load().then(function(s){ if(s&&s.xp>STATE.xp){ STATE.xp=s.xp; STATE.level=calcLevel(STATE.xp); saveProgress(); refreshProgressUI(); if(STATE.current) buildSidebar(STATE.current); } });
|
||||
}
|
||||
}
|
||||
document.addEventListener('DOMContentLoaded', init);
|
||||
</script>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,573 @@
|
||||
<!doctype html>
|
||||
<html lang="ru">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
|
||||
<meta http-equiv="Pragma" content="no-cache">
|
||||
<meta http-equiv="Expires" content="0">
|
||||
<title>Алгебра 9 · Глава 2 · Функции</title>
|
||||
<meta name="viewport" content="width=device-width,initial-scale=1">
|
||||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css">
|
||||
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.js"></script>
|
||||
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/contrib/auto-render.min.js"
|
||||
onload="renderMathInElement(document.body,{delimiters:[{left:'$$',right:'$$',display:true},{left:'$',right:'$',display:false},{left:'\\[',right:'\\]',display:true},{left:'\\(',right:'\\)',display:false}],throwOnError:false})"></script>
|
||||
<script src="/js/api.js" defer></script>
|
||||
<script src="/js/xp.js" defer></script>
|
||||
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Manrope:wght@600;700;800;900&family=Unbounded:wght@700;800;900&family=JetBrains+Mono:wght@500;700&display=swap" rel="stylesheet">
|
||||
<style>
|
||||
:root{
|
||||
--bg:#fafafa; --card:#fff; --card-soft:#f8fafc; --text:#0f172a; --ink:#0f172a; --muted:#64748b;
|
||||
--border:#e2e8f0; --sh:0 1px 3px rgba(0,0,0,.06); --sh2:0 4px 14px rgba(0,0,0,.08);
|
||||
--pri:#059669; --pri2:#047857; --pri-soft:#d1fae5;
|
||||
--acc:#10b981; --acc2:#059669; --acc-soft:#ecfdf5;
|
||||
--ok:#10b981; --ok-bg:#d1fae5; --warn:#f59e0b; --warn-bg:#fef3c7;
|
||||
--bad:#ef4444; --fail:#dc2626; --fail-bg:#fee2e2;
|
||||
}
|
||||
.dark{--bg:#021410; --card:#0a1f1a; --card-soft:#0d2620; --text:#e0fcf3; --ink:#e0fcf3; --muted:#7aa896; --border:#163d2f}
|
||||
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
|
||||
html,body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;font-size:15px}
|
||||
button,input,select,textarea{font-family:inherit;font-size:inherit}
|
||||
button{cursor:pointer;border:0;background:transparent;color:inherit}
|
||||
a{color:inherit;text-decoration:none}
|
||||
.ic{width:16px;height:16px;display:inline-block;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
|
||||
|
||||
.hdr{position:relative;background:linear-gradient(110deg,#064e3b 0%,#059669 55%,#34d399 100%);color:#fff;padding:46px 22px 30px;overflow:hidden;border-bottom:2px solid rgba(167,243,208,.2);min-height:130px}
|
||||
.hdr::before{content:'ГЛАВА 2';position:absolute;right:-12px;top:50%;transform:translateY(-50%);font-family:'Unbounded',sans-serif;font-size:clamp(5rem,15vw,11rem);font-weight:900;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1.5px rgba(209,250,229,.12);line-height:1;pointer-events:none;user-select:none;z-index:0}
|
||||
.hdr-row{position:relative;z-index:1;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
|
||||
.hdr h1{font-family:'Unbounded',sans-serif;font-size:1.5rem;font-weight:900;letter-spacing:-.01em;line-height:1.3;padding-top:4px}
|
||||
.hdr-sub{font-size:.85rem;opacity:.88;margin-top:6px;font-weight:500;line-height:1.4}
|
||||
.hdr-side{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
|
||||
.hdr-btn{padding:7px 12px;border-radius:9px;background:rgba(255,255,255,.14);color:#fff;font-weight:600;font-size:.82rem;display:inline-flex;align-items:center;gap:6px;transition:background .15s;text-decoration:none}
|
||||
.hdr-btn:hover{background:rgba(255,255,255,.24)}
|
||||
|
||||
.main{max-width:1240px;margin:0 auto;padding:22px;width:100%;display:grid;grid-template-columns:1fr 280px;gap:24px}
|
||||
@media(max-width:980px){.main{grid-template-columns:1fr;padding:14px}}
|
||||
.col-main{min-width:0}
|
||||
|
||||
.hero{background:linear-gradient(135deg,var(--pri-soft) 0%,var(--acc-soft) 50%,var(--pri-soft) 100%);background-size:200% 200%;animation:heroShift 12s ease-in-out infinite;border:1px solid var(--border);border-radius:18px;padding:24px 22px;margin-bottom:24px;position:relative;overflow:hidden}
|
||||
@keyframes heroShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
|
||||
.hero::before{content:'f(x)';position:absolute;right:0;top:-30px;font-size:clamp(2rem,12vw,8rem);font-weight:900;color:var(--pri);opacity:.10;line-height:1;pointer-events:none;font-family:'Unbounded',sans-serif}
|
||||
.hero h2{font-family:'Unbounded',sans-serif;font-size:1.55rem;font-weight:800;color:var(--pri2);margin-bottom:10px;letter-spacing:-.01em}
|
||||
.hero p{font-size:.95rem;color:var(--text);opacity:.88;margin-bottom:14px;max-width:640px}
|
||||
.hero-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
|
||||
.btn-primary{padding:11px 22px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;border-radius:11px;font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:8px;box-shadow:var(--sh2);transition:transform .15s,box-shadow .15s}
|
||||
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 28px rgba(0,0,0,.18)}
|
||||
.hero-progress{flex:1;min-width:200px;max-width:280px}
|
||||
.hp-label{font-size:.74rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;display:block;margin-bottom:5px}
|
||||
.hp-bar{height:8px;background:rgba(0,0,0,.12);border-radius:5px;overflow:hidden}
|
||||
.hp-fill{height:100%;background:linear-gradient(90deg,var(--pri),var(--acc));border-radius:5px;width:0%;transition:width .6s cubic-bezier(.16,1,.3,1)}
|
||||
.hp-text{font-size:.78rem;color:var(--muted);font-weight:700;margin-top:4px;display:block}
|
||||
.hero-xp-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:linear-gradient(135deg,var(--warn,#f59e0b),var(--pri));color:#fff;border-radius:99px;font-size:.82rem;font-weight:800;letter-spacing:.02em;box-shadow:0 4px 12px rgba(0,0,0,.18);font-family:'Unbounded',sans-serif}
|
||||
|
||||
.psel{margin-bottom:24px}
|
||||
.psel-title{font-size:.72rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
|
||||
.psel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
|
||||
.psel-card{background:var(--card);border:1.5px solid var(--border);border-radius:13px;padding:14px;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;text-align:left;position:relative}
|
||||
.psel-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:var(--pri)}
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||||
.psel-card.active{border-color:var(--pri);background:linear-gradient(135deg,var(--pri-soft),var(--card));box-shadow:var(--sh2)}
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.psel-card.active::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--pri),var(--acc));border-radius:13px 13px 0 0}
|
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.psel-num{font-family:'Unbounded',sans-serif;font-size:.72rem;font-weight:800;color:var(--pri);text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}
|
||||
.psel-name{font-size:.86rem;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:8px}
|
||||
.psel-prog{height:4px;background:rgba(0,0,0,.10);border-radius:3px;overflow:hidden}
|
||||
.psel-prog-fill{height:100%;background:var(--pri);width:0%;transition:width .4s}
|
||||
.psel-card.final{background:linear-gradient(135deg,#fff5e1,#fef3c7)}
|
||||
.psel-card.final .psel-num{color:var(--warn)}
|
||||
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<header class="hdr">
|
||||
<div class="hdr-row">
|
||||
<div>
|
||||
<h1>Алгебра 9 · Глава 2</h1>
|
||||
<div class="hdr-sub">Числовой аргумент · свойства · чётность · сдвиги</div>
|
||||
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<div class="hdr-side">
|
||||
<a href="/textbook/algebra-9" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> К алгебре 9</a>
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<section class="hero">
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<h2>Функции — изучаем поведение и графики</h2>
|
||||
<p>Здесь мы знакомимся с <b>функцией числового аргумента</b>: область определения $D(f)$, область значений $E(f)$, <b>возрастание/убывание</b>, нули, наибольшее и наименьшее значения, <b>чётность</b> и <b>сдвиги</b> графиков $y = f(x) + b$, $y = f(x \pm a)$.</p>
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<section id="sec-p6" class="sec" data-watermark="D/E"><div class="sec-header"><span class="sec-num">§ 6</span><h2 class="sec-h">Функция числового аргумента</h2></div><div id="p6-body"></div></section>
|
||||
<section id="sec-p7" class="sec" data-watermark="↗"><div class="sec-header"><span class="sec-num">§ 7</span><h2 class="sec-h">Свойства функции</h2></div><div id="p7-body"></div></section>
|
||||
<section id="sec-p8" class="sec" data-watermark="±"><div class="sec-header"><span class="sec-num">§ 8</span><h2 class="sec-h">Чётные и нечётные функции</h2></div><div id="p8-body"></div></section>
|
||||
<section id="sec-p9" class="sec" data-watermark="→"><div class="sec-header"><span class="sec-num">§ 9</span><h2 class="sec-h">Сдвиги графиков</h2></div><div id="p9-body"></div></section>
|
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<section id="sec-final2" class="sec" data-watermark="★"><div class="sec-header"><span class="sec-num" style="background:linear-gradient(135deg,#059669,#10b981)">Финал главы</span><h2 class="sec-h">Итоги. 4 боссов главы 2</h2></div><div id="final2-body"></div></section>
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<footer class="foot">Интерактивный учебник «Алгебра 9» · Глава 2 · Функции · LearnSpace</footer>
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<div class="search-foot"><span><kbd>↑↓</kbd> навигация</span><span><kbd>Enter</kbd> открыть</span><span><kbd>Esc</kbd> закрыть</span></div>
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if(xpBadge){ xpBadge.innerHTML='<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:13px;height:13px"><polygon points="12 2 22 20 2 20"/></svg> Ур. '+STATE.level+' \xb7 '+(STATE.xp||0)+' XP'; }
|
||||
if(STATE.current && document.getElementById('sidebar-content')){ try{ buildSidebar(STATE.current); }catch(e){} }
|
||||
}
|
||||
|
||||
function achievement(id,text){
|
||||
if(STATE.achievements.has(id)) return;
|
||||
STATE.achievements.set(id, text||ACH_LABELS[id]||id); saveProgress();
|
||||
const pop=document.getElementById('ach-popup');
|
||||
if(pop){ document.getElementById('ach-text').textContent=text||ACH_LABELS[id]||id; pop.classList.add('show'); setTimeout(()=>pop.classList.remove('show'),3300); }
|
||||
addXp(20,'ach-'+id);
|
||||
}
|
||||
|
||||
const PARAS = [
|
||||
{ id:'p6', num:'§ 6', name:'Функция числового аргумента', sub:'$D(f)$, $E(f)$' },
|
||||
{ id:'p7', num:'§ 7', name:'Свойства функции', sub:'нули, монотонность, экстр.' },
|
||||
{ id:'p8', num:'§ 8', name:'Чётные и нечётные функции', sub:'симметрия графика' },
|
||||
{ id:'p9', num:'§ 9', name:'Сдвиги графиков', sub:'$y=f(x)+b$, $y=f(x \pm a)$' },
|
||||
{ id:'final2', num:'★', name:'Финал главы', sub:'Итоги · 4 боссов', final:true }
|
||||
];
|
||||
|
||||
function buildParaSelector(){
|
||||
const g=document.getElementById('psel-grid'); g.innerHTML='';
|
||||
PARAS.forEach(p=>{
|
||||
const card=document.createElement('div');
|
||||
card.className='psel-card'+(p.final?' final':'');
|
||||
card.dataset.id=p.id; card.dataset.progCard=p.id;
|
||||
card.innerHTML='<div class="psel-num">'+p.num+'</div><div class="psel-name">'+p.name+'</div><div class="psel-prog"><div class="psel-prog-fill"></div></div>';
|
||||
card.addEventListener('click', ()=>goTo(p.id));
|
||||
g.appendChild(card);
|
||||
});
|
||||
}
|
||||
|
||||
const BUILT=new Set();
|
||||
const BUILDERS = { p6:()=>buildP6(), p7:()=>buildP7(), p8:()=>buildP8(), p9:()=>buildP9(), final2:()=>buildFinal2() };
|
||||
function ensureBuilt(id){ if(BUILT.has(id)) return; const fn=BUILDERS[id]; if(fn){ fn(); BUILT.add(id); } }
|
||||
function goTo(id){
|
||||
STATE.current=id; ensureBuilt(id);
|
||||
document.querySelectorAll('.sec').forEach(s=>s.classList.remove('active'));
|
||||
const el=document.getElementById('sec-'+id); if(el) el.classList.add('active');
|
||||
document.querySelectorAll('.psel-card').forEach(c=>c.classList.toggle('active', c.dataset.id===id));
|
||||
buildSidebar(id);
|
||||
window.scrollTo({top:0,behavior:'smooth'});
|
||||
if((STATE.progress[id]||0)<10) bumpProgress(id, 10);
|
||||
if(window.renderMathInElement) setTimeout(()=>renderMath(el), 0);
|
||||
markLastPara(id);
|
||||
}
|
||||
|
||||
const SIDEBARS = {
|
||||
p6:{title:'Шпаргалка \xA76',rows:[['Функция','правило $x \to y$'],['$D(f)$','область определения'],['$E(f)$','область значений']]},
|
||||
p7:{title:'Шпаргалка \xA77',rows:[['Нуль','$f(x_0) = 0$'],['Возрастает','при бо́льшем $x$ — бо́льшее $f(x)$'],['Убывает','при бо́льшем $x$ — меньшее $f(x)$'],['$y_{max}$','наиб. значение на промежутке']]},
|
||||
p8:{title:'Шпаргалка \xA78',rows:[['Чётная','$f(-x) = f(x)$ — симм. отн. $Oy$'],['Нечётная','$f(-x) = -f(x)$ — симм. отн. $O$'],['Ни та, ни др.','общий случай']]},
|
||||
p9:{title:'Шпаргалка \xA79',rows:[['$f(x) + b$','сдвиг вверх на $b$'],['$f(x) - b$','сдвиг вниз на $b$'],['$f(x - a)$','сдвиг вправо на $a$'],['$f(x + a)$','сдвиг влево на $a$']]},
|
||||
final2:{title:'Финал главы',rows:[['§§6–9','теория главы 2'],['Боссов','4'],['Награда','+100 XP']]}
|
||||
};
|
||||
|
||||
const TIPS=[
|
||||
{sec:'p6',html:'Функция — это <b>правило</b>: каждому $x$ из $D(f)$ соответствует ровно одно $y$.'},
|
||||
{sec:'p7',html:'<b>Нули</b> функции — это решения уравнения $f(x) = 0$.'},
|
||||
{sec:'p8',html:'Чётная функция: $f(-x) = f(x)$. Нечётная: $f(-x) = -f(x)$.'},
|
||||
{sec:'p9',html:'$y = f(x) + b$ — сдвиг по $Oy$. $y = f(x - a)$ — сдвиг по $Ox$ вправо на $a$.'},
|
||||
{sec:'final2',html:'4 босса главы 2.'}
|
||||
];
|
||||
|
||||
function buildSidebar(id){
|
||||
const box=document.getElementById('sidebar-content');
|
||||
const sb=SIDEBARS[id]||SIDEBARS['p6'];
|
||||
let html='';
|
||||
const xpForLv=_xpForLevel(STATE.level), xpNext=_xpForLevel(STATE.level+1);
|
||||
const xpInLv=STATE.xp-xpForLv, xpRange=xpNext-xpForLv;
|
||||
const xpPct=xpRange>0?Math.round(xpInLv/xpRange*100):100;
|
||||
html+='<div class="xp-card"><div class="xp-card-title"><span>XP-прогресс</span><span class="xp-level">Ур. '+STATE.level+'</span></div><div class="xp-bar"><div class="xp-fill" style="width:'+xpPct+'%"></div></div><div class="xp-nums"><span>'+STATE.xp+' XP</span><span>'+xpNext+' XP</span></div></div>';
|
||||
html+='<div class="sidecard"><h4>'+sb.title+'</h4>';
|
||||
sb.rows.forEach(([k,v])=>{ html+='<div class="sidecard-row"><b>'+k+'</b>'+(v?' — '+v:'')+'</div>'; });
|
||||
html+='</div>';
|
||||
const tip=TIPS.find(t=>t.sec===id)||TIPS[0];
|
||||
if(tip){
|
||||
html+='<div class="sidecard" style="background:linear-gradient(135deg,var(--warn-bg,#fef3c7),var(--pri-soft));border-color:var(--warn,#f59e0b)"><h4 style="color:#92400e;display:flex;align-items:center;gap:6px"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:14px;height:14px"><polygon points="12,2 22,20 2,20"/></svg>Подсказка</h4><div class="sidecard-row" style="margin-bottom:0;font-size:.84rem;line-height:1.55">'+tip.html+'</div></div>';
|
||||
}
|
||||
if(STATE.achievements.size>0){
|
||||
html+='<div class="sidecard"><h4>Достижения <span style="color:var(--warn);float:right">'+STATE.achievements.size+'</span></h4>';
|
||||
[...STATE.achievements.values()].slice(-4).forEach(text=>{ html+='<div class="sidecard-row" style="font-size:.78rem;color:var(--ok)">✓ '+text+'</div>'; });
|
||||
html+='</div>';
|
||||
}
|
||||
box.innerHTML=html;
|
||||
if(window.renderMathInElement) try{ renderMath(box); }catch(e){}
|
||||
}
|
||||
|
||||
function initTheme(){
|
||||
const t=localStorage.getItem('algebra9_ch2_theme')||'light';
|
||||
if(t==='dark') document.documentElement.classList.add('dark');
|
||||
document.getElementById('theme-lab').textContent=t==='dark'?'Светлая':'Тёмная';
|
||||
document.getElementById('theme-btn').addEventListener('click', ()=>{
|
||||
document.documentElement.classList.toggle('dark');
|
||||
const dark=document.documentElement.classList.contains('dark');
|
||||
localStorage.setItem('algebra9_ch2_theme', dark?'dark':'light');
|
||||
document.getElementById('theme-lab').textContent=dark?'Светлая':'Тёмная';
|
||||
});
|
||||
}
|
||||
|
||||
function renderMath(root){ if(window.renderMathInElement){ try{ renderMathInElement(root, {delimiters:[{left:'$$',right:'$$',display:true},{left:'$',right:'$',display:false},{left:'\\[',right:'\\]',display:true},{left:'\\(',right:'\\)',display:false}],throwOnError:false}); }catch(e){} } }
|
||||
function feedback(elm, ok, text){ if(!elm) return; elm.className='feedback '+(ok?'ok':'fail'); elm.innerHTML=text||(ok?'✓ Верно!':'✗ Неверно'); elm.style.display='block'; try{renderMath(elm);}catch(e){} }
|
||||
function fmt(n){ if(!isFinite(n)) return '?'; if(Number.isInteger(n)) return String(n); return Math.abs(n-Math.round(n))<1e-9?String(Math.round(n)):(+n.toFixed(6)).toString(); }
|
||||
|
||||
const ICONS = {
|
||||
repeat:'<svg class="ic" viewBox="0 0 24 24"><polyline points="9 11 12 14 22 4"/><path d="M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11"/></svg>',
|
||||
theory:'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>',
|
||||
algo:'<svg class="ic" viewBox="0 0 24 24"><polyline points="17 11 21 7 17 3"/><line x1="21" y1="7" x2="9" y2="7"/><polyline points="7 13 3 17 7 21"/><line x1="3" y1="17" x2="15" y2="17"/></svg>',
|
||||
rule:'<svg class="ic" viewBox="0 0 24 24"><path d="M6 8a6 6 0 0 1 12 0c0 7 3 9 3 9H3s3-2 3-9"/><path d="M10.3 21a1.94 1.94 0 0 0 3.4 0"/></svg>',
|
||||
example:'<svg class="ic" viewBox="0 0 24 24"><path d="M9 18h6"/><path d="M10 22h4"/><path d="M12 2a7 7 0 0 0-4 13c1 1 2 2 2 4h4c0-2 1-3 2-4a7 7 0 0 0-4-13z"/></svg>',
|
||||
oral:'<svg class="ic" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>',
|
||||
};
|
||||
|
||||
function secNav(prev, next){
|
||||
const NAMES={p6:'\xA76',p7:'\xA77',p8:'\xA78',p9:'\xA79',final2:'Финал'};
|
||||
let h='<div class="sec-nav">';
|
||||
h+=prev?'<button class="btn" onclick="goTo(\''+prev+'\')"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> '+NAMES[prev]+'</button>':'<span></span>';
|
||||
h+=next?'<button class="btn primary" onclick="goTo(\''+next+'\')">'+NAMES[next]+' <svg class="ic" viewBox="0 0 24 24"><polyline points="9 18 15 12 9 6"/></svg></button>':'<span></span>';
|
||||
h+='</div>'; return h;
|
||||
}
|
||||
|
||||
function readButton(paraId){
|
||||
return '<div style="margin-top:18px;display:flex;justify-content:center">'
|
||||
+'<button class="btn primary" id="'+paraId+'-read-btn">'
|
||||
+'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>'
|
||||
+' Я прочитал — '+(paraId.startsWith('final')?'финал':'\xA7'+paraId.replace('p',''))+' (+10 XP)'
|
||||
+'</button></div>';
|
||||
}
|
||||
function wireReadBtn(paraId){
|
||||
const btn = document.getElementById(paraId+'-read-btn'); if(!btn) return;
|
||||
btn.addEventListener('click', ()=>{
|
||||
addXp(10, paraId+'-read'); bumpProgress(paraId, 100);
|
||||
btn.textContent='Прочитано! +10 XP'; btn.disabled=true; btn.style.opacity=.6;
|
||||
if(paraId==='final2') achievement('ch2_done');
|
||||
});
|
||||
}
|
||||
|
||||
/* ===== STUB BUILDERS — наполнение в Phase 1+ ===== */
|
||||
|
||||
function buildP6(){
|
||||
const root = document.getElementById('p6-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 6</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Функция числового аргумента»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav(null, 'p7') + readButton('p6');
|
||||
renderMath(root);
|
||||
wireReadBtn('p6');
|
||||
}
|
||||
|
||||
function buildP7(){
|
||||
const root = document.getElementById('p7-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 7</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Свойства функции»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p6', 'p8') + readButton('p7');
|
||||
renderMath(root);
|
||||
wireReadBtn('p7');
|
||||
}
|
||||
|
||||
function buildP8(){
|
||||
const root = document.getElementById('p8-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 8</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Чётные и нечётные функции»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p7', 'p9') + readButton('p8');
|
||||
renderMath(root);
|
||||
wireReadBtn('p8');
|
||||
}
|
||||
|
||||
function buildP9(){
|
||||
const root = document.getElementById('p9-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 9</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Сдвиги графиков»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p8', 'final2') + readButton('p9');
|
||||
renderMath(root);
|
||||
wireReadBtn('p9');
|
||||
}
|
||||
|
||||
function buildFinal2(){
|
||||
const root = document.getElementById('final2-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">★</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание финала главы <b>Финал главы — в разработке</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Боссы и итоговые задания будут добавлены в Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p9', null) + readButton('final2');
|
||||
renderMath(root);
|
||||
wireReadBtn('final2');
|
||||
}
|
||||
|
||||
/* ===== Search ===== */
|
||||
const SEARCH_INDEX = (function(){
|
||||
const arr=[];
|
||||
PARAS.forEach(p=>arr.push({kind:'Параграф',title:p.num+' '+p.name,desc:p.sub||'',sec:p.id}));
|
||||
return arr;
|
||||
})();
|
||||
function initSearch(){
|
||||
const modal=document.getElementById('search-modal'),inp=document.getElementById('search-input'),out=document.getElementById('search-results'),btn=document.getElementById('search-btn');
|
||||
if(!modal||!inp||!out) return;
|
||||
let cur=0,rows=[];
|
||||
function score(q,it){ const t=(it.title+' '+it.desc).toLowerCase(); if(t.includes(q)) return 100+(it.title.toLowerCase().startsWith(q)?50:0); let s=0; q.split(/\s+/).forEach(w=>{if(w&&t.includes(w))s+=10;}); return s; }
|
||||
function rank(q){ q=q.trim().toLowerCase(); if(!q) return SEARCH_INDEX.slice(0,12); return SEARCH_INDEX.map(it=>({it,s:score(q,it)})).filter(x=>x.s>0).sort((a,b)=>b.s-a.s).slice(0,20).map(x=>x.it); }
|
||||
function render(){ cur=0; if(!rows.length){out.innerHTML='<div class="search-empty">Ничего не найдено</div>';return;} out.innerHTML=rows.map((r,i)=>'<button class="search-row'+(i===0?' active':'')+'" data-i="'+i+'"><div class="sr-kind">'+r.kind+'</div><div class="sr-title">'+r.title+'</div>'+(r.desc?'<div class="sr-desc">'+(r.desc.length>90?r.desc.slice(0,90)+'…':r.desc)+'</div>':'')+'</button>').join(''); out.querySelectorAll('.search-row').forEach(b=>b.addEventListener('click',()=>{cur=+b.dataset.i;pick();})); }
|
||||
function pick(){ const r=rows[cur]; if(!r) return; close(); goTo(r.sec); }
|
||||
function move(d){ const items=out.querySelectorAll('.search-row'); if(!items.length) return; items[cur]&&items[cur].classList.remove('active'); cur=(cur+d+items.length)%items.length; items[cur].classList.add('active'); items[cur].scrollIntoView({block:'nearest'}); }
|
||||
function open(){ modal.classList.add('show'); inp.value=''; rows=rank(''); render(); setTimeout(()=>inp.focus(),50); }
|
||||
function close(){ modal.classList.remove('show'); }
|
||||
btn&&btn.addEventListener('click',open);
|
||||
modal.addEventListener('click',e=>{if(e.target===modal)close();});
|
||||
inp.addEventListener('input',()=>{rows=rank(inp.value);render();});
|
||||
inp.addEventListener('keydown',e=>{ if(e.key==='ArrowDown'){e.preventDefault();move(1);}else if(e.key==='ArrowUp'){e.preventDefault();move(-1);}else if(e.key==='Enter'){e.preventDefault();pick();}else if(e.key==='Escape'){e.preventDefault();close();} });
|
||||
document.addEventListener('keydown',e=>{ if((e.ctrlKey||e.metaKey)&&(e.key==='k'||e.key==='K')){ e.preventDefault(); if(modal.classList.contains('show')) close(); else open(); } });
|
||||
}
|
||||
|
||||
function initSidebarToggle(){
|
||||
const side=document.getElementById('col-side'),back=document.getElementById('col-side-backdrop'),btn=document.getElementById('sidebar-btn');
|
||||
if(!side||!btn) return;
|
||||
function open(){ side.classList.add('open'); back.classList.add('show'); }
|
||||
function close(){ side.classList.remove('open'); back.classList.remove('show'); }
|
||||
btn.addEventListener('click',()=>{ if(side.classList.contains('open')) close(); else open(); });
|
||||
back.addEventListener('click',close);
|
||||
document.addEventListener('keydown',e=>{ if(e.key==='Escape') close(); });
|
||||
}
|
||||
|
||||
function init(){
|
||||
loadProgress(); initTheme(); initSidebarToggle(); initSearch();
|
||||
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<title>Алгебра 9 · Глава 3 · Дробно-рациональные уравнения и неравенства</title>
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|
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|
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|
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<body>
|
||||
|
||||
<header class="hdr">
|
||||
<div class="hdr-row">
|
||||
<div>
|
||||
<h1>Алгебра 9 · Глава 3</h1>
|
||||
<div class="hdr-sub">Уравнения · системы · окружность · метод интервалов</div>
|
||||
</div>
|
||||
<div class="hdr-side">
|
||||
<a href="/textbook/algebra-9" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> К алгебре 9</a>
|
||||
<button id="search-btn" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><circle cx="11" cy="11" r="7"/><path d="m21 21-4-4"/></svg> Поиск</button>
|
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<button id="sidebar-btn" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><line x1="4" y1="6" x2="20" y2="6"/><line x1="4" y1="12" x2="20" y2="12"/><line x1="4" y1="18" x2="14" y2="18"/></svg> Шпаргалка</button>
|
||||
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||||
<main class="main">
|
||||
<div class="col-main">
|
||||
|
||||
<section class="hero">
|
||||
<h2>Дробно-рациональные уравнения и неравенства</h2>
|
||||
<p>Здесь мы изучаем <b>дробно-рациональные уравнения</b>, <b>системы нелинейных уравнений</b> (включая графический способ), <b>длину отрезка</b> и <b>уравнение окружности</b> $(x-a)^2 + (y-b)^2 = r^2$, а также <b>метод интервалов</b> для дробно-рациональных неравенств.</p>
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<button class="btn-primary" onclick="goTo('p10')"><svg class="ic" viewBox="0 0 24 24"><polygon points="6 4 20 12 6 20 6 4" fill="currentColor" stroke="none"/></svg> Начать § 10</button>
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<div class="hero-progress">
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<span class="hp-label">Прогресс по главе</span>
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<div class="hp-bar"><div id="hero-hp-fill" class="hp-fill"></div></div>
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|
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</section>
|
||||
|
||||
<section id="sec-p10" class="sec" data-watermark="=0"><div class="sec-header"><span class="sec-num">§ 10</span><h2 class="sec-h">Дробно-рациональные уравнения</h2></div><div id="p10-body"></div></section>
|
||||
<section id="sec-p11" class="sec" data-watermark="{"><div class="sec-header"><span class="sec-num">§ 11</span><h2 class="sec-h">Системы нелинейных уравнений</h2></div><div id="p11-body"></div></section>
|
||||
<section id="sec-p12" class="sec" data-watermark="○"><div class="sec-header"><span class="sec-num">§ 12</span><h2 class="sec-h">Уравнение окружности</h2></div><div id="p12-body"></div></section>
|
||||
<section id="sec-p13" class="sec" data-watermark=">0"><div class="sec-header"><span class="sec-num">§ 13</span><h2 class="sec-h">Метод интервалов</h2></div><div id="p13-body"></div></section>
|
||||
<section id="sec-final3" class="sec" data-watermark="★"><div class="sec-header"><span class="sec-num" style="background:linear-gradient(135deg,#7c3aed,#a78bfa)">Финал главы</span><h2 class="sec-h">Итоги. 4 боссов главы 3</h2></div><div id="final3-body"></div></section>
|
||||
|
||||
</div>
|
||||
<aside class="col-side" id="col-side"><div id="sidebar-content"></div></aside>
|
||||
<div class="col-side-backdrop" id="col-side-backdrop"></div>
|
||||
</main>
|
||||
|
||||
<footer class="foot">Интерактивный учебник «Алгебра 9» · Глава 3 · Дробно-рациональные уравнения и неравенства · LearnSpace</footer>
|
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|
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<div id="gloss-tip" class="gloss-tip"></div>
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<div id="search-modal" class="search-modal" role="dialog">
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<div class="search-box">
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<input type="text" id="search-input" class="search-input" placeholder="Поиск…" autocomplete="off">
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<div id="search-results" class="search-results"></div>
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||||
<div class="search-foot"><span><kbd>↑↓</kbd> навигация</span><span><kbd>Enter</kbd> открыть</span><span><kbd>Esc</kbd> закрыть</span></div>
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|
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|
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|
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{ id:'p13', num:'§ 13', name:'Метод интервалов', sub:'неравенства' },
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|
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p11:{title:'Шпаргалка \xA711',rows:[['Система','несколько уравнений с общими $x, y$'],['Подстановка','выразил → подставил'],['Графически','точки пересечения графиков']]},
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p12:{title:'Шпаргалка \xA712',rows:[['Длина','$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}$'],['Окружность','$(x-a)^2 + (y-b)^2 = r^2$'],['Центр','$(a; b)$'],['Радиус','$r$']]},
|
||||
p13:{title:'Шпаргалка \xA713',rows:[['Шаг 1','перенеси всё влево, приведи к виду $\dfrac{P}{Q}$'],['Шаг 2','найди нули $P$ и $Q$'],['Шаг 3','отметь на оси'],['Шаг 4','определи знаки']]},
|
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final3:{title:'Финал главы',rows:[['§§10–13','теория главы 3'],['Боссов','4'],['Награда','+100 XP']]}
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{sec:'p13',html:'<b>Метод интервалов</b>: нули → точки на оси → знаки на промежутках.'},
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function readButton(paraId){
|
||||
return '<div style="margin-top:18px;display:flex;justify-content:center">'
|
||||
+'<button class="btn primary" id="'+paraId+'-read-btn">'
|
||||
+'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>'
|
||||
+' Я прочитал — '+(paraId.startsWith('final')?'финал':'\xA7'+paraId.replace('p',''))+' (+10 XP)'
|
||||
+'</button></div>';
|
||||
}
|
||||
function wireReadBtn(paraId){
|
||||
const btn = document.getElementById(paraId+'-read-btn'); if(!btn) return;
|
||||
btn.addEventListener('click', ()=>{
|
||||
addXp(10, paraId+'-read'); bumpProgress(paraId, 100);
|
||||
btn.textContent='Прочитано! +10 XP'; btn.disabled=true; btn.style.opacity=.6;
|
||||
if(paraId==='final3') achievement('ch3_done');
|
||||
});
|
||||
}
|
||||
|
||||
/* ===== STUB BUILDERS — наполнение в Phase 1+ ===== */
|
||||
|
||||
function buildP10(){
|
||||
const root = document.getElementById('p10-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 10</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Дробно-рациональные уравнения»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav(null, 'p11') + readButton('p10');
|
||||
renderMath(root);
|
||||
wireReadBtn('p10');
|
||||
}
|
||||
|
||||
function buildP11(){
|
||||
const root = document.getElementById('p11-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 11</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Системы нелинейных уравнений»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p10', 'p12') + readButton('p11');
|
||||
renderMath(root);
|
||||
wireReadBtn('p11');
|
||||
}
|
||||
|
||||
function buildP12(){
|
||||
const root = document.getElementById('p12-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 12</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Уравнение окружности»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p11', 'p13') + readButton('p12');
|
||||
renderMath(root);
|
||||
wireReadBtn('p12');
|
||||
}
|
||||
|
||||
function buildP13(){
|
||||
const root = document.getElementById('p13-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 13</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Метод интервалов»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p12', 'final3') + readButton('p13');
|
||||
renderMath(root);
|
||||
wireReadBtn('p13');
|
||||
}
|
||||
|
||||
function buildFinal3(){
|
||||
const root = document.getElementById('final3-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">★</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание финала главы <b>Финал главы — в разработке</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Боссы и итоговые задания будут добавлены в Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p13', null) + readButton('final3');
|
||||
renderMath(root);
|
||||
wireReadBtn('final3');
|
||||
}
|
||||
|
||||
/* ===== Search ===== */
|
||||
const SEARCH_INDEX = (function(){
|
||||
const arr=[];
|
||||
PARAS.forEach(p=>arr.push({kind:'Параграф',title:p.num+' '+p.name,desc:p.sub||'',sec:p.id}));
|
||||
return arr;
|
||||
})();
|
||||
function initSearch(){
|
||||
const modal=document.getElementById('search-modal'),inp=document.getElementById('search-input'),out=document.getElementById('search-results'),btn=document.getElementById('search-btn');
|
||||
if(!modal||!inp||!out) return;
|
||||
let cur=0,rows=[];
|
||||
function score(q,it){ const t=(it.title+' '+it.desc).toLowerCase(); if(t.includes(q)) return 100+(it.title.toLowerCase().startsWith(q)?50:0); let s=0; q.split(/\s+/).forEach(w=>{if(w&&t.includes(w))s+=10;}); return s; }
|
||||
function rank(q){ q=q.trim().toLowerCase(); if(!q) return SEARCH_INDEX.slice(0,12); return SEARCH_INDEX.map(it=>({it,s:score(q,it)})).filter(x=>x.s>0).sort((a,b)=>b.s-a.s).slice(0,20).map(x=>x.it); }
|
||||
function render(){ cur=0; if(!rows.length){out.innerHTML='<div class="search-empty">Ничего не найдено</div>';return;} out.innerHTML=rows.map((r,i)=>'<button class="search-row'+(i===0?' active':'')+'" data-i="'+i+'"><div class="sr-kind">'+r.kind+'</div><div class="sr-title">'+r.title+'</div>'+(r.desc?'<div class="sr-desc">'+(r.desc.length>90?r.desc.slice(0,90)+'…':r.desc)+'</div>':'')+'</button>').join(''); out.querySelectorAll('.search-row').forEach(b=>b.addEventListener('click',()=>{cur=+b.dataset.i;pick();})); }
|
||||
function pick(){ const r=rows[cur]; if(!r) return; close(); goTo(r.sec); }
|
||||
function move(d){ const items=out.querySelectorAll('.search-row'); if(!items.length) return; items[cur]&&items[cur].classList.remove('active'); cur=(cur+d+items.length)%items.length; items[cur].classList.add('active'); items[cur].scrollIntoView({block:'nearest'}); }
|
||||
function open(){ modal.classList.add('show'); inp.value=''; rows=rank(''); render(); setTimeout(()=>inp.focus(),50); }
|
||||
function close(){ modal.classList.remove('show'); }
|
||||
btn&&btn.addEventListener('click',open);
|
||||
modal.addEventListener('click',e=>{if(e.target===modal)close();});
|
||||
inp.addEventListener('input',()=>{rows=rank(inp.value);render();});
|
||||
inp.addEventListener('keydown',e=>{ if(e.key==='ArrowDown'){e.preventDefault();move(1);}else if(e.key==='ArrowUp'){e.preventDefault();move(-1);}else if(e.key==='Enter'){e.preventDefault();pick();}else if(e.key==='Escape'){e.preventDefault();close();} });
|
||||
document.addEventListener('keydown',e=>{ if((e.ctrlKey||e.metaKey)&&(e.key==='k'||e.key==='K')){ e.preventDefault(); if(modal.classList.contains('show')) close(); else open(); } });
|
||||
}
|
||||
|
||||
function initSidebarToggle(){
|
||||
const side=document.getElementById('col-side'),back=document.getElementById('col-side-backdrop'),btn=document.getElementById('sidebar-btn');
|
||||
if(!side||!btn) return;
|
||||
function open(){ side.classList.add('open'); back.classList.add('show'); }
|
||||
function close(){ side.classList.remove('open'); back.classList.remove('show'); }
|
||||
btn.addEventListener('click',()=>{ if(side.classList.contains('open')) close(); else open(); });
|
||||
back.addEventListener('click',close);
|
||||
document.addEventListener('keydown',e=>{ if(e.key==='Escape') close(); });
|
||||
}
|
||||
|
||||
function init(){
|
||||
loadProgress(); initTheme(); initSidebarToggle(); initSearch();
|
||||
buildParaSelector(); refreshProgressUI(); loadServerReadState(); goTo('p10');
|
||||
setTimeout(()=>achievement('start'), 600);
|
||||
if(window.LS&&window.LS.xp){
|
||||
window.LS.xp.load().then(function(s){ if(s&&s.xp>STATE.xp){ STATE.xp=s.xp; STATE.level=calcLevel(STATE.xp); saveProgress(); refreshProgressUI(); if(STATE.current) buildSidebar(STATE.current); } });
|
||||
}
|
||||
}
|
||||
document.addEventListener('DOMContentLoaded', init);
|
||||
</script>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,619 @@
|
||||
<!doctype html>
|
||||
<html lang="ru">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
|
||||
<meta http-equiv="Pragma" content="no-cache">
|
||||
<meta http-equiv="Expires" content="0">
|
||||
<title>Алгебра 9 · Глава 4 · Прогрессии</title>
|
||||
<meta name="viewport" content="width=device-width,initial-scale=1">
|
||||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css">
|
||||
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.js"></script>
|
||||
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/contrib/auto-render.min.js"
|
||||
onload="renderMathInElement(document.body,{delimiters:[{left:'$$',right:'$$',display:true},{left:'$',right:'$',display:false},{left:'\\[',right:'\\]',display:true},{left:'\\(',right:'\\)',display:false}],throwOnError:false})"></script>
|
||||
<script src="/js/api.js" defer></script>
|
||||
<script src="/js/xp.js" defer></script>
|
||||
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Manrope:wght@600;700;800;900&family=Unbounded:wght@700;800;900&family=JetBrains+Mono:wght@500;700&display=swap" rel="stylesheet">
|
||||
<style>
|
||||
:root{
|
||||
--bg:#fafafa; --card:#fff; --card-soft:#f8fafc; --text:#0f172a; --ink:#0f172a; --muted:#64748b;
|
||||
--border:#e2e8f0; --sh:0 1px 3px rgba(0,0,0,.06); --sh2:0 4px 14px rgba(0,0,0,.08);
|
||||
--pri:#0891b2; --pri2:#0e7490; --pri-soft:#cffafe;
|
||||
--acc:#22d3ee; --acc2:#0891b2; --acc-soft:#ecfeff;
|
||||
--ok:#10b981; --ok-bg:#d1fae5; --warn:#f59e0b; --warn-bg:#fef3c7;
|
||||
--bad:#ef4444; --fail:#dc2626; --fail-bg:#fee2e2;
|
||||
}
|
||||
.dark{--bg:#04141a; --card:#0a1b22; --card-soft:#0d2229; --text:#e0fcff; --ink:#e0fcff; --muted:#7aa8b3; --border:#163842}
|
||||
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
|
||||
html,body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;font-size:15px}
|
||||
button,input,select,textarea{font-family:inherit;font-size:inherit}
|
||||
button{cursor:pointer;border:0;background:transparent;color:inherit}
|
||||
a{color:inherit;text-decoration:none}
|
||||
.ic{width:16px;height:16px;display:inline-block;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
|
||||
|
||||
.hdr{position:relative;background:linear-gradient(110deg,#164e63 0%,#0891b2 55%,#22d3ee 100%);color:#fff;padding:46px 22px 30px;overflow:hidden;border-bottom:2px solid rgba(165,243,252,.2);min-height:130px}
|
||||
.hdr::before{content:'ГЛАВА 4';position:absolute;right:-12px;top:50%;transform:translateY(-50%);font-family:'Unbounded',sans-serif;font-size:clamp(5rem,15vw,11rem);font-weight:900;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1.5px rgba(209,250,255,.12);line-height:1;pointer-events:none;user-select:none;z-index:0}
|
||||
.hdr-row{position:relative;z-index:1;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
|
||||
.hdr h1{font-family:'Unbounded',sans-serif;font-size:1.5rem;font-weight:900;letter-spacing:-.01em;line-height:1.3;padding-top:4px}
|
||||
.hdr-sub{font-size:.85rem;opacity:.88;margin-top:6px;font-weight:500;line-height:1.4}
|
||||
.hdr-side{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
|
||||
.hdr-btn{padding:7px 12px;border-radius:9px;background:rgba(255,255,255,.14);color:#fff;font-weight:600;font-size:.82rem;display:inline-flex;align-items:center;gap:6px;transition:background .15s;text-decoration:none}
|
||||
.hdr-btn:hover{background:rgba(255,255,255,.24)}
|
||||
|
||||
.main{max-width:1240px;margin:0 auto;padding:22px;width:100%;display:grid;grid-template-columns:1fr 280px;gap:24px}
|
||||
@media(max-width:980px){.main{grid-template-columns:1fr;padding:14px}}
|
||||
.col-main{min-width:0}
|
||||
|
||||
.hero{background:linear-gradient(135deg,var(--pri-soft) 0%,var(--acc-soft) 50%,var(--pri-soft) 100%);background-size:200% 200%;animation:heroShift 12s ease-in-out infinite;border:1px solid var(--border);border-radius:18px;padding:24px 22px;margin-bottom:24px;position:relative;overflow:hidden}
|
||||
@keyframes heroShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
|
||||
.hero::before{content:'aₙ';position:absolute;right:0;top:-30px;font-size:clamp(2rem,12vw,8rem);font-weight:900;color:var(--pri);opacity:.10;line-height:1;pointer-events:none;font-family:'Unbounded',sans-serif}
|
||||
.hero h2{font-family:'Unbounded',sans-serif;font-size:1.55rem;font-weight:800;color:var(--pri2);margin-bottom:10px;letter-spacing:-.01em}
|
||||
.hero p{font-size:.95rem;color:var(--text);opacity:.88;margin-bottom:14px;max-width:640px}
|
||||
.hero-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
|
||||
.btn-primary{padding:11px 22px;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;border-radius:11px;font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:8px;box-shadow:var(--sh2);transition:transform .15s,box-shadow .15s}
|
||||
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 28px rgba(0,0,0,.18)}
|
||||
.hero-progress{flex:1;min-width:200px;max-width:280px}
|
||||
.hp-label{font-size:.74rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;display:block;margin-bottom:5px}
|
||||
.hp-bar{height:8px;background:rgba(0,0,0,.12);border-radius:5px;overflow:hidden}
|
||||
.hp-fill{height:100%;background:linear-gradient(90deg,var(--pri),var(--acc));border-radius:5px;width:0%;transition:width .6s cubic-bezier(.16,1,.3,1)}
|
||||
.hp-text{font-size:.78rem;color:var(--muted);font-weight:700;margin-top:4px;display:block}
|
||||
.hero-xp-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:linear-gradient(135deg,var(--warn,#f59e0b),var(--pri));color:#fff;border-radius:99px;font-size:.82rem;font-weight:800;letter-spacing:.02em;box-shadow:0 4px 12px rgba(0,0,0,.18);font-family:'Unbounded',sans-serif}
|
||||
|
||||
.psel{margin-bottom:24px}
|
||||
.psel-title{font-size:.72rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
|
||||
.psel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
|
||||
.psel-card{background:var(--card);border:1.5px solid var(--border);border-radius:13px;padding:14px;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;text-align:left;position:relative}
|
||||
.psel-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:var(--pri)}
|
||||
.psel-card.active{border-color:var(--pri);background:linear-gradient(135deg,var(--pri-soft),var(--card));box-shadow:var(--sh2)}
|
||||
.psel-card.active::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--pri),var(--acc));border-radius:13px 13px 0 0}
|
||||
.psel-num{font-family:'Unbounded',sans-serif;font-size:.72rem;font-weight:800;color:var(--pri);text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}
|
||||
.psel-name{font-size:.86rem;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:8px}
|
||||
.psel-prog{height:4px;background:rgba(0,0,0,.10);border-radius:3px;overflow:hidden}
|
||||
.psel-prog-fill{height:100%;background:var(--pri);width:0%;transition:width .4s}
|
||||
.psel-card.final{background:linear-gradient(135deg,#fff5e1,#fef3c7)}
|
||||
.psel-card.final .psel-num{color:var(--warn)}
|
||||
|
||||
.sec[id="sec-p14"]{ --sec-acc:#0891b2; --sec-acc-d:#0e7490; --sec-acc-soft:#cffafe; }
|
||||
.sec[id="sec-p15"]{ --sec-acc:#06b6d4; --sec-acc-d:#0891b2; --sec-acc-soft:#cffafe; }
|
||||
.sec[id="sec-p16"]{ --sec-acc:#2563eb; --sec-acc-d:#1d4ed8; --sec-acc-soft:#dbeafe; }
|
||||
.sec[id="sec-p17"]{ --sec-acc:#7c3aed; --sec-acc-d:#6d28d9; --sec-acc-soft:#ede9fe; }
|
||||
.sec[id="sec-p18"]{ --sec-acc:#db2777; --sec-acc-d:#9d174d; --sec-acc-soft:#fce7f3; }
|
||||
.sec[id="sec-p19"]{ --sec-acc:#059669; --sec-acc-d:#047857; --sec-acc-soft:#d1fae5; }
|
||||
.sec[id="sec-final4"]{ --sec-acc:#0891b2; --sec-acc-d:#0e7490; --sec-acc-soft:#cffafe; }
|
||||
|
||||
.sec{display:none;position:relative;animation:fadeIn .35s ease}
|
||||
.sec.active{display:block}
|
||||
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
|
||||
.sec::before{content:attr(data-watermark);position:absolute;right:-20px;top:10%;font-family:'Unbounded',sans-serif;font-size:clamp(6rem,18vw,14rem);font-weight:900;color:transparent;-webkit-text-stroke:1.5px var(--sec-acc-soft,var(--pri-soft));line-height:1;pointer-events:none;user-select:none;z-index:0;opacity:.35}
|
||||
.sec-header{margin-bottom:22px;padding-bottom:14px;border-bottom:2px solid var(--sec-acc-soft,var(--pri-soft));position:relative;z-index:1}
|
||||
.sec-num{display:inline-block;padding:4px 10px;background:linear-gradient(135deg,var(--sec-acc,var(--pri)),var(--sec-acc-d,var(--pri2)));color:#fff;border-radius:7px;font-family:'Unbounded',sans-serif;font-size:.78rem;font-weight:800;letter-spacing:.04em;margin-bottom:8px}
|
||||
.sec-h{font-family:'Unbounded',sans-serif;font-size:1.6rem;font-weight:800;color:var(--sec-acc-d,var(--pri2));letter-spacing:-.01em;line-height:1.25}
|
||||
|
||||
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.04);position:relative;z-index:1;transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s}
|
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.card:hover{transform:translateY(-2px);box-shadow:0 4px 10px rgba(0,0,0,.06),0 16px 36px rgba(0,0,0,.08)}
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||||
.card-header{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px dashed var(--border)}
|
||||
.card-icon{width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff}
|
||||
.card-icon.repeat{background:#0ea5e9}.card-icon.theory{background:#8b5cf6}.card-icon.algo{background:#f59e0b}.card-icon.rule{background:#ec4899}.card-icon.example{background:#10b981}.card-icon.oral{background:#06b6d4}
|
||||
.card-icon .ic{width:18px;height:18px}
|
||||
.card-title{font-family:'Unbounded',sans-serif;font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);flex:1}
|
||||
.card-num{font-size:.74rem;font-weight:700;color:var(--muted);background:var(--sec-acc-soft,var(--pri-soft));padding:3px 7px;border-radius:5px}
|
||||
.card-body{font-size:.94rem;line-height:1.65}
|
||||
.card-body p{margin-bottom:8px}
|
||||
.card-body p:last-child{margin-bottom:0}
|
||||
|
||||
.btn{padding:8px 16px;border-radius:8px;background:var(--card);color:var(--text);border:1.5px solid var(--border);font-weight:600;font-size:.88rem;transition:background .15s,border-color .15s,transform .1s}
|
||||
.btn:hover{background:var(--sec-acc-soft,var(--pri-soft));border-color:var(--sec-acc,var(--pri))}
|
||||
.btn:active{transform:scale(.96)}
|
||||
.btn.primary{background:var(--sec-acc,var(--pri));color:#fff;border-color:var(--sec-acc,var(--pri))}
|
||||
.btn.primary:hover{background:var(--sec-acc-d,var(--pri2));border-color:var(--sec-acc-d,var(--pri2))}
|
||||
|
||||
.feedback{padding:10px 14px;border-radius:9px;font-weight:600;font-size:.88rem;margin-top:8px;display:none}
|
||||
.feedback.ok{display:block;background:var(--ok-bg);color:#065f46;border-left:4px solid var(--ok)}
|
||||
.feedback.fail{display:block;background:var(--fail-bg);color:#7f1d1d;border-left:4px solid var(--fail)}
|
||||
|
||||
.col-side{position:sticky;top:14px;align-self:start;height:fit-content;max-height:calc(100vh - 28px);overflow-y:auto}
|
||||
.sidecard{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;margin-bottom:14px;box-shadow:var(--sh)}
|
||||
.sidecard h4{font-family:'Unbounded',sans-serif;font-size:.74rem;font-weight:800;color:var(--pri2);text-transform:uppercase;letter-spacing:.07em;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border)}
|
||||
.sidecard-row{margin-bottom:8px;font-size:.86rem;line-height:1.6}
|
||||
.sidecard-row b{color:var(--pri);font-weight:700}
|
||||
.sidecard-row:last-child{margin-bottom:0}
|
||||
@media(max-width:980px){.col-side{position:static;max-height:none}}
|
||||
|
||||
.xp-card{background:linear-gradient(135deg,var(--acc-soft),var(--pri-soft));border:1.5px solid var(--acc);border-radius:12px;padding:14px;margin-bottom:14px}
|
||||
.xp-card-title{font-size:.68rem;font-weight:800;color:var(--acc2);text-transform:uppercase;letter-spacing:.07em;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between}
|
||||
.xp-level{font-size:1.1rem;font-weight:900;color:var(--acc2);font-family:'Unbounded',sans-serif}
|
||||
.xp-bar{height:9px;background:rgba(0,0,0,.10);border-radius:6px;overflow:hidden;margin:7px 0}
|
||||
.xp-fill{height:100%;background:linear-gradient(90deg,var(--acc),var(--pri));border-radius:6px;transition:width .5s cubic-bezier(.4,0,.2,1)}
|
||||
.xp-nums{font-size:.74rem;color:var(--muted);display:flex;justify-content:space-between}
|
||||
|
||||
.sec-nav{display:flex;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid var(--border);justify-content:space-between;flex-wrap:wrap}
|
||||
.foot{text-align:center;padding:30px 16px;color:var(--muted);font-size:.78rem;border-top:1px solid var(--border);margin-top:30px}
|
||||
|
||||
.ach-popup{position:fixed;top:80px;right:18px;background:linear-gradient(135deg,var(--pri),var(--acc));color:#fff;padding:12px 18px;border-radius:11px;font-weight:700;font-size:.9rem;box-shadow:0 8px 28px rgba(0,0,0,.32);z-index:1002;display:none;align-items:center;gap:8px;max-width:340px}
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.ach-popup.show{display:flex}
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.col-side-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:9990;display:none}
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.col-side-backdrop.show{display:block}
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@media(max-width:980px){
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||||
.col-side{position:fixed;top:0;right:0;height:100vh;width:300px;max-width:88vw;background:var(--bg);box-shadow:-12px 0 24px rgba(0,0,0,.18);padding:18px 16px;overflow-y:auto;transform:translateX(100%);transition:transform .25s ease;z-index:9991;max-height:none}
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.col-side.open{transform:none}
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||||
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||||
.gloss-term{border-bottom:1.5px dotted var(--sec-acc,var(--pri));cursor:help;color:var(--sec-acc-d,var(--pri2));font-weight:600;padding:0 1px}
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||||
.gloss-term:hover{background:var(--sec-acc-soft,var(--pri-soft));border-radius:3px}
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.gloss-tip.show{display:block}
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.gloss-tip b{color:var(--sec-acc-d,var(--pri2));font-size:.92rem}
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.search-modal{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(4px);z-index:9993;display:none;align-items:flex-start;justify-content:center;padding-top:14vh}
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||||
.search-modal.show{display:flex}
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||||
.search-box{background:var(--bg);border:1px solid var(--border);border-radius:14px;width:560px;max-width:92vw;max-height:70vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 24px 64px rgba(0,0,0,.4)}
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.search-input{padding:14px 16px;font-size:1rem;border:0;border-bottom:1px solid var(--border);background:transparent;color:var(--text);outline:none}
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.search-results{flex:1;overflow-y:auto;padding:6px 0}
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.search-row{display:block;padding:8px 16px;cursor:pointer;border-bottom:1px solid var(--border);text-align:left;background:transparent;border:0;width:100%;color:var(--text)}
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.search-row:hover,.search-row.active{background:var(--sec-acc-soft,var(--pri-soft))}
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.search-row .sr-kind{font-size:.7rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px}
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||||
.search-row .sr-title{font-weight:700;font-size:.92rem;color:var(--text)}
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||||
.search-row .sr-desc{font-size:.8rem;color:var(--muted);margin-top:2px}
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.search-empty{padding:20px;text-align:center;color:var(--muted);font-size:.88rem}
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.search-foot{padding:8px 14px;border-top:1px solid var(--border);font-size:.74rem;color:var(--muted);display:flex;gap:14px}
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.search-foot kbd{padding:2px 6px;background:var(--card);border:1px solid var(--border);border-radius:4px;font-family:'JetBrains Mono',monospace;font-size:.72rem}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
|
||||
<header class="hdr">
|
||||
<div class="hdr-row">
|
||||
<div>
|
||||
<h1>Алгебра 9 · Глава 4</h1>
|
||||
<div class="hdr-sub">Последовательности · арифметическая · геометрическая</div>
|
||||
</div>
|
||||
<div class="hdr-side">
|
||||
<a href="/textbook/algebra-9" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> К алгебре 9</a>
|
||||
<button id="search-btn" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><circle cx="11" cy="11" r="7"/><path d="m21 21-4-4"/></svg> Поиск</button>
|
||||
<button id="sidebar-btn" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><line x1="4" y1="6" x2="20" y2="6"/><line x1="4" y1="12" x2="20" y2="12"/><line x1="4" y1="18" x2="14" y2="18"/></svg> Шпаргалка</button>
|
||||
<button id="theme-btn" class="hdr-btn"><svg class="ic" viewBox="0 0 24 24"><path d="M21 12.8A9 9 0 1 1 11.2 3a7 7 0 0 0 9.8 9.8z"/></svg><span id="theme-lab">Тёмная</span></button>
|
||||
</div>
|
||||
</div>
|
||||
</header>
|
||||
|
||||
<main class="main">
|
||||
<div class="col-main">
|
||||
|
||||
<section class="hero">
|
||||
<h2>Прогрессии — арифметика и геометрия чисел</h2>
|
||||
<p>Здесь мы изучаем <b>числовые последовательности</b>, <b>арифметическую прогрессию</b> $(a_n = a_1 + (n-1)d)$ и <b>геометрическую прогрессию</b> $(b_n = b_1 q^{n-1})$, формулы сумм $n$ первых членов и <b>сумму бесконечно убывающей</b> геометрической прогрессии $S = \dfrac{b_1}{1 - q}$.</p>
|
||||
<div class="hero-row">
|
||||
<button class="btn-primary" onclick="goTo('p14')"><svg class="ic" viewBox="0 0 24 24"><polygon points="6 4 20 12 6 20 6 4" fill="currentColor" stroke="none"/></svg> Начать § 14</button>
|
||||
<div class="hero-progress">
|
||||
<span class="hp-label">Прогресс по главе</span>
|
||||
<div class="hp-bar"><div id="hero-hp-fill" class="hp-fill"></div></div>
|
||||
<span id="hero-hp-text" class="hp-text">0%</span>
|
||||
</div>
|
||||
<div id="hero-xp-badge" class="hero-xp-badge"></div>
|
||||
</div>
|
||||
</section>
|
||||
|
||||
<section class="psel">
|
||||
<div class="psel-title">Параграфы главы</div>
|
||||
<div id="psel-grid" class="psel-grid"></div>
|
||||
</section>
|
||||
|
||||
<section id="sec-p14" class="sec" data-watermark="aₙ"><div class="sec-header"><span class="sec-num">§ 14</span><h2 class="sec-h">Числовая последовательность</h2></div><div id="p14-body"></div></section>
|
||||
<section id="sec-p15" class="sec" data-watermark="+d"><div class="sec-header"><span class="sec-num">§ 15</span><h2 class="sec-h">Арифметическая прогрессия</h2></div><div id="p15-body"></div></section>
|
||||
<section id="sec-p16" class="sec" data-watermark="Σ"><div class="sec-header"><span class="sec-num">§ 16</span><h2 class="sec-h">Сумма арифм. прогрессии</h2></div><div id="p16-body"></div></section>
|
||||
<section id="sec-p17" class="sec" data-watermark="·q"><div class="sec-header"><span class="sec-num">§ 17</span><h2 class="sec-h">Геометрическая прогрессия</h2></div><div id="p17-body"></div></section>
|
||||
<section id="sec-p18" class="sec" data-watermark="Σ"><div class="sec-header"><span class="sec-num">§ 18</span><h2 class="sec-h">Сумма геом. прогрессии</h2></div><div id="p18-body"></div></section>
|
||||
<section id="sec-p19" class="sec" data-watermark="∞"><div class="sec-header"><span class="sec-num">§ 19</span><h2 class="sec-h">Бесконечно убывающая</h2></div><div id="p19-body"></div></section>
|
||||
<section id="sec-final4" class="sec" data-watermark="★"><div class="sec-header"><span class="sec-num" style="background:linear-gradient(135deg,#0891b2,#22d3ee)">Финал главы</span><h2 class="sec-h">Итоги. 6 боссов главы 4</h2></div><div id="final4-body"></div></section>
|
||||
|
||||
</div>
|
||||
<aside class="col-side" id="col-side"><div id="sidebar-content"></div></aside>
|
||||
<div class="col-side-backdrop" id="col-side-backdrop"></div>
|
||||
</main>
|
||||
|
||||
<footer class="foot">Интерактивный учебник «Алгебра 9» · Глава 4 · Прогрессии · LearnSpace</footer>
|
||||
|
||||
<div id="ach-popup" class="ach-popup"><svg class="ic" viewBox="0 0 24 24" style="width:22px;height:22px"><polygon points="12,2 22,20 2,20"/></svg><span id="ach-text">Достижение!</span></div>
|
||||
<div id="gloss-tip" class="gloss-tip"></div>
|
||||
<div id="search-modal" class="search-modal" role="dialog">
|
||||
<div class="search-box">
|
||||
<input type="text" id="search-input" class="search-input" placeholder="Поиск…" autocomplete="off">
|
||||
<div id="search-results" class="search-results"></div>
|
||||
<div class="search-foot"><span><kbd>↑↓</kbd> навигация</span><span><kbd>Enter</kbd> открыть</span><span><kbd>Esc</kbd> закрыть</span></div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<script>
|
||||
'use strict';
|
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|
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const STATE = { current:'p14', progress:{p14:0,p15:0,p16:0,p17:0,p18:0,p19:0,final4:0}, achievements:new Map(), xp:0, level:1 };
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||||
const TOTAL_PARAS = 7;
|
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||||
|
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p17_done:'Геометрическая прогрессия освоена!',
|
||||
p19_done:'Бесконечно убывающая освоена!',
|
||||
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||||
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||||
|
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function addXp(n,src){
|
||||
if(!n) return;
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const prev=STATE.level; STATE.xp=Math.max(0,(STATE.xp||0)+n); STATE.level=calcLevel(STATE.xp);
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||||
saveProgress(); refreshProgressUI();
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||||
if(window.LS&&window.LS.xp) window.LS.xp.add(n,'algebra9-ch4-'+(src||'misc'));
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||||
if(STATE.level>prev){
|
||||
const pop=document.getElementById('ach-popup');
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if(STATE.current && document.getElementById('sidebar-content')){ try{ buildSidebar(STATE.current); }catch(e){} }
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||||
addXp(20,'ach-'+id);
|
||||
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|
||||
|
||||
const PARAS = [
|
||||
{ id:'p14', num:'§ 14', name:'Числовая последовательность', sub:'$a_1, a_2, \dots, a_n$' },
|
||||
{ id:'p15', num:'§ 15', name:'Арифметическая прогрессия', sub:'$a_n = a_1 + (n-1)d$' },
|
||||
{ id:'p16', num:'§ 16', name:'Сумма арифм. прогрессии', sub:'$S_n = \tfrac{a_1 + a_n}{2} n$' },
|
||||
{ id:'p17', num:'§ 17', name:'Геометрическая прогрессия', sub:'$b_n = b_1 q^{n-1}$' },
|
||||
{ id:'p18', num:'§ 18', name:'Сумма геом. прогрессии', sub:'$S_n = \tfrac{b_1(q^n - 1)}{q - 1}$' },
|
||||
{ id:'p19', num:'§ 19', name:'Бесконечно убывающая', sub:'$S = \tfrac{b_1}{1 - q}$' },
|
||||
{ id:'final4', num:'★', name:'Финал главы', sub:'Итоги · 6 боссов', final:true }
|
||||
];
|
||||
|
||||
function buildParaSelector(){
|
||||
const g=document.getElementById('psel-grid'); g.innerHTML='';
|
||||
PARAS.forEach(p=>{
|
||||
const card=document.createElement('div');
|
||||
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|
||||
card.dataset.id=p.id; card.dataset.progCard=p.id;
|
||||
card.innerHTML='<div class="psel-num">'+p.num+'</div><div class="psel-name">'+p.name+'</div><div class="psel-prog"><div class="psel-prog-fill"></div></div>';
|
||||
card.addEventListener('click', ()=>goTo(p.id));
|
||||
g.appendChild(card);
|
||||
});
|
||||
}
|
||||
|
||||
const BUILT=new Set();
|
||||
const BUILDERS = { p14:()=>buildP14(), p15:()=>buildP15(), p16:()=>buildP16(), p17:()=>buildP17(), p18:()=>buildP18(), p19:()=>buildP19(), final4:()=>buildFinal4() };
|
||||
function ensureBuilt(id){ if(BUILT.has(id)) return; const fn=BUILDERS[id]; if(fn){ fn(); BUILT.add(id); } }
|
||||
function goTo(id){
|
||||
STATE.current=id; ensureBuilt(id);
|
||||
document.querySelectorAll('.sec').forEach(s=>s.classList.remove('active'));
|
||||
const el=document.getElementById('sec-'+id); if(el) el.classList.add('active');
|
||||
document.querySelectorAll('.psel-card').forEach(c=>c.classList.toggle('active', c.dataset.id===id));
|
||||
buildSidebar(id);
|
||||
window.scrollTo({top:0,behavior:'smooth'});
|
||||
if((STATE.progress[id]||0)<10) bumpProgress(id, 10);
|
||||
if(window.renderMathInElement) setTimeout(()=>renderMath(el), 0);
|
||||
markLastPara(id);
|
||||
}
|
||||
|
||||
const SIDEBARS = {
|
||||
p14:{title:'Шпаргалка \xA714',rows:[['Послед-сть','$(a_n)$, $n \in \mathbb{N}$'],['Способы','формула $n$-го члена, реккурентно, словесно'],['Член','$a_n$ — $n$-й член']]},
|
||||
p15:{title:'Шпаргалка \xA715',rows:[['Опр.','$a_{n+1} - a_n = d$'],['Форм.','$a_n = a_1 + (n - 1) d$'],['Свойство','$a_n = \tfrac{a_{n-1} + a_{n+1}}{2}$']]},
|
||||
p16:{title:'Шпаргалка \xA716',rows:[['Формула 1','$S_n = \tfrac{a_1 + a_n}{2} n$'],['Формула 2','$S_n = \tfrac{2 a_1 + (n - 1) d}{2} n$']]},
|
||||
p17:{title:'Шпаргалка \xA717',rows:[['Опр.','$\dfrac{b_{n+1}}{b_n} = q$, $b_1 \ne 0$, $q \ne 0$'],['Форм.','$b_n = b_1 q^{n-1}$'],['Свойство','$b_n^2 = b_{n-1} b_{n+1}$']]},
|
||||
p18:{title:'Шпаргалка \xA718',rows:[['$q \ne 1$','$S_n = \tfrac{b_1(q^n - 1)}{q - 1}$'],['$q = 1$','$S_n = n \cdot b_1$']]},
|
||||
p19:{title:'Шпаргалка \xA719',rows:[['Условие','$|q| < 1$'],['Сумма','$S = \tfrac{b_1}{1 - q}$']]},
|
||||
final4:{title:'Финал главы',rows:[['§§14–19','теория главы 4'],['Боссов','6'],['Награда','+100 XP'],['Алгебра 9','полностью пройдена!']]}
|
||||
};
|
||||
|
||||
const TIPS=[
|
||||
{sec:'p14',html:'Числовая последовательность — это функция натурального аргумента: $a: \mathbb{N} \to \mathbb{R}$.'},
|
||||
{sec:'p15',html:'В арифметической прогрессии разность $d = a_{n+1} - a_n$ — постоянна.'},
|
||||
{sec:'p16',html:'$S_n = \dfrac{(a_1 + a_n) n}{2} = \dfrac{(2 a_1 + (n - 1) d) n}{2}$.'},
|
||||
{sec:'p17',html:'В геометрической прогрессии знаменатель $q = \dfrac{b_{n+1}}{b_n}$ — постоянен.'},
|
||||
{sec:'p18',html:'$S_n = \dfrac{b_1 (q^n - 1)}{q - 1}$ при $q \ne 1$.'},
|
||||
{sec:'p19',html:'При $|q| < 1$: $S = \dfrac{b_1}{1 - q}$.'},
|
||||
{sec:'final4',html:'6 боссов главы 4. После — вся Алгебра 9 в твоём арсенале!'}
|
||||
];
|
||||
|
||||
function buildSidebar(id){
|
||||
const box=document.getElementById('sidebar-content');
|
||||
const sb=SIDEBARS[id]||SIDEBARS['p14'];
|
||||
let html='';
|
||||
const xpForLv=_xpForLevel(STATE.level), xpNext=_xpForLevel(STATE.level+1);
|
||||
const xpInLv=STATE.xp-xpForLv, xpRange=xpNext-xpForLv;
|
||||
const xpPct=xpRange>0?Math.round(xpInLv/xpRange*100):100;
|
||||
html+='<div class="xp-card"><div class="xp-card-title"><span>XP-прогресс</span><span class="xp-level">Ур. '+STATE.level+'</span></div><div class="xp-bar"><div class="xp-fill" style="width:'+xpPct+'%"></div></div><div class="xp-nums"><span>'+STATE.xp+' XP</span><span>'+xpNext+' XP</span></div></div>';
|
||||
html+='<div class="sidecard"><h4>'+sb.title+'</h4>';
|
||||
sb.rows.forEach(([k,v])=>{ html+='<div class="sidecard-row"><b>'+k+'</b>'+(v?' — '+v:'')+'</div>'; });
|
||||
html+='</div>';
|
||||
const tip=TIPS.find(t=>t.sec===id)||TIPS[0];
|
||||
if(tip){
|
||||
html+='<div class="sidecard" style="background:linear-gradient(135deg,var(--warn-bg,#fef3c7),var(--pri-soft));border-color:var(--warn,#f59e0b)"><h4 style="color:#92400e;display:flex;align-items:center;gap:6px"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:14px;height:14px"><polygon points="12,2 22,20 2,20"/></svg>Подсказка</h4><div class="sidecard-row" style="margin-bottom:0;font-size:.84rem;line-height:1.55">'+tip.html+'</div></div>';
|
||||
}
|
||||
if(STATE.achievements.size>0){
|
||||
html+='<div class="sidecard"><h4>Достижения <span style="color:var(--warn);float:right">'+STATE.achievements.size+'</span></h4>';
|
||||
[...STATE.achievements.values()].slice(-4).forEach(text=>{ html+='<div class="sidecard-row" style="font-size:.78rem;color:var(--ok)">✓ '+text+'</div>'; });
|
||||
html+='</div>';
|
||||
}
|
||||
box.innerHTML=html;
|
||||
if(window.renderMathInElement) try{ renderMath(box); }catch(e){}
|
||||
}
|
||||
|
||||
function initTheme(){
|
||||
const t=localStorage.getItem('algebra9_ch4_theme')||'light';
|
||||
if(t==='dark') document.documentElement.classList.add('dark');
|
||||
document.getElementById('theme-lab').textContent=t==='dark'?'Светлая':'Тёмная';
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||||
document.getElementById('theme-btn').addEventListener('click', ()=>{
|
||||
document.documentElement.classList.toggle('dark');
|
||||
const dark=document.documentElement.classList.contains('dark');
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||||
localStorage.setItem('algebra9_ch4_theme', dark?'dark':'light');
|
||||
document.getElementById('theme-lab').textContent=dark?'Светлая':'Тёмная';
|
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});
|
||||
}
|
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|
||||
function renderMath(root){ if(window.renderMathInElement){ try{ renderMathInElement(root, {delimiters:[{left:'$$',right:'$$',display:true},{left:'$',right:'$',display:false},{left:'\\[',right:'\\]',display:true},{left:'\\(',right:'\\)',display:false}],throwOnError:false}); }catch(e){} } }
|
||||
function feedback(elm, ok, text){ if(!elm) return; elm.className='feedback '+(ok?'ok':'fail'); elm.innerHTML=text||(ok?'✓ Верно!':'✗ Неверно'); elm.style.display='block'; try{renderMath(elm);}catch(e){} }
|
||||
function fmt(n){ if(!isFinite(n)) return '?'; if(Number.isInteger(n)) return String(n); return Math.abs(n-Math.round(n))<1e-9?String(Math.round(n)):(+n.toFixed(6)).toString(); }
|
||||
|
||||
const ICONS = {
|
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repeat:'<svg class="ic" viewBox="0 0 24 24"><polyline points="9 11 12 14 22 4"/><path d="M21 12v7a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11"/></svg>',
|
||||
theory:'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>',
|
||||
algo:'<svg class="ic" viewBox="0 0 24 24"><polyline points="17 11 21 7 17 3"/><line x1="21" y1="7" x2="9" y2="7"/><polyline points="7 13 3 17 7 21"/><line x1="3" y1="17" x2="15" y2="17"/></svg>',
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||||
rule:'<svg class="ic" viewBox="0 0 24 24"><path d="M6 8a6 6 0 0 1 12 0c0 7 3 9 3 9H3s3-2 3-9"/><path d="M10.3 21a1.94 1.94 0 0 0 3.4 0"/></svg>',
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example:'<svg class="ic" viewBox="0 0 24 24"><path d="M9 18h6"/><path d="M10 22h4"/><path d="M12 2a7 7 0 0 0-4 13c1 1 2 2 2 4h4c0-2 1-3 2-4a7 7 0 0 0-4-13z"/></svg>',
|
||||
oral:'<svg class="ic" viewBox="0 0 24 24"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>',
|
||||
};
|
||||
|
||||
function secNav(prev, next){
|
||||
const NAMES={p14:'\xA714',p15:'\xA715',p16:'\xA716',p17:'\xA717',p18:'\xA718',p19:'\xA719',final4:'Финал'};
|
||||
let h='<div class="sec-nav">';
|
||||
h+=prev?'<button class="btn" onclick="goTo(\''+prev+'\')"><svg class="ic" viewBox="0 0 24 24"><polyline points="15 18 9 12 15 6"/></svg> '+NAMES[prev]+'</button>':'<span></span>';
|
||||
h+=next?'<button class="btn primary" onclick="goTo(\''+next+'\')">'+NAMES[next]+' <svg class="ic" viewBox="0 0 24 24"><polyline points="9 18 15 12 9 6"/></svg></button>':'<span></span>';
|
||||
h+='</div>'; return h;
|
||||
}
|
||||
|
||||
function readButton(paraId){
|
||||
return '<div style="margin-top:18px;display:flex;justify-content:center">'
|
||||
+'<button class="btn primary" id="'+paraId+'-read-btn">'
|
||||
+'<svg class="ic" viewBox="0 0 24 24"><path d="M4 19.5A2.5 2.5 0 0 1 6.5 17H20"/><path d="M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z"/></svg>'
|
||||
+' Я прочитал — '+(paraId.startsWith('final')?'финал':'\xA7'+paraId.replace('p',''))+' (+10 XP)'
|
||||
+'</button></div>';
|
||||
}
|
||||
function wireReadBtn(paraId){
|
||||
const btn = document.getElementById(paraId+'-read-btn'); if(!btn) return;
|
||||
btn.addEventListener('click', ()=>{
|
||||
addXp(10, paraId+'-read'); bumpProgress(paraId, 100);
|
||||
btn.textContent='Прочитано! +10 XP'; btn.disabled=true; btn.style.opacity=.6;
|
||||
if(paraId==='final4') achievement('ch4_done');
|
||||
});
|
||||
}
|
||||
|
||||
/* ===== STUB BUILDERS — наполнение в Phase 1+ ===== */
|
||||
|
||||
function buildP14(){
|
||||
const root = document.getElementById('p14-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 14</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Числовая последовательность»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav(null, 'p15') + readButton('p14');
|
||||
renderMath(root);
|
||||
wireReadBtn('p14');
|
||||
}
|
||||
|
||||
function buildP15(){
|
||||
const root = document.getElementById('p15-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 15</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Арифметическая прогрессия»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p14', 'p16') + readButton('p15');
|
||||
renderMath(root);
|
||||
wireReadBtn('p15');
|
||||
}
|
||||
|
||||
function buildP16(){
|
||||
const root = document.getElementById('p16-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 16</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Сумма арифм. прогрессии»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p15', 'p17') + readButton('p16');
|
||||
renderMath(root);
|
||||
wireReadBtn('p16');
|
||||
}
|
||||
|
||||
function buildP17(){
|
||||
const root = document.getElementById('p17-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 17</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Геометрическая прогрессия»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p16', 'p18') + readButton('p17');
|
||||
renderMath(root);
|
||||
wireReadBtn('p17');
|
||||
}
|
||||
|
||||
function buildP18(){
|
||||
const root = document.getElementById('p18-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 18</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Сумма геом. прогрессии»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p17', 'p19') + readButton('p18');
|
||||
renderMath(root);
|
||||
wireReadBtn('p18');
|
||||
}
|
||||
|
||||
function buildP19(){
|
||||
const root = document.getElementById('p19-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">§ 19</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание параграфа <b>«Бесконечно убывающая»</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Раздел Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p18', 'final4') + readButton('p19');
|
||||
renderMath(root);
|
||||
wireReadBtn('p19');
|
||||
}
|
||||
|
||||
function buildFinal4(){
|
||||
const root = document.getElementById('final4-body');
|
||||
root.innerHTML = `
|
||||
<div class="card">
|
||||
<div class="card-header">
|
||||
<span class="card-icon theory">${ICONS.theory}</span>
|
||||
<span class="card-title">В разработке</span>
|
||||
<span class="card-num">★</span>
|
||||
</div>
|
||||
<div class="card-body">
|
||||
<p>Содержание финала главы <b>Финал главы — в разработке</b> будет добавлено в следующих обновлениях.</p>
|
||||
<p style="color:var(--muted);font-size:.9rem">Боссы и итоговые задания будут добавлены в Phase 1.</p>
|
||||
</div>
|
||||
</div>` + secNav('p19', null) + readButton('final4');
|
||||
renderMath(root);
|
||||
wireReadBtn('final4');
|
||||
}
|
||||
|
||||
/* ===== Search ===== */
|
||||
const SEARCH_INDEX = (function(){
|
||||
const arr=[];
|
||||
PARAS.forEach(p=>arr.push({kind:'Параграф',title:p.num+' '+p.name,desc:p.sub||'',sec:p.id}));
|
||||
return arr;
|
||||
})();
|
||||
function initSearch(){
|
||||
const modal=document.getElementById('search-modal'),inp=document.getElementById('search-input'),out=document.getElementById('search-results'),btn=document.getElementById('search-btn');
|
||||
if(!modal||!inp||!out) return;
|
||||
let cur=0,rows=[];
|
||||
function score(q,it){ const t=(it.title+' '+it.desc).toLowerCase(); if(t.includes(q)) return 100+(it.title.toLowerCase().startsWith(q)?50:0); let s=0; q.split(/\s+/).forEach(w=>{if(w&&t.includes(w))s+=10;}); return s; }
|
||||
function rank(q){ q=q.trim().toLowerCase(); if(!q) return SEARCH_INDEX.slice(0,12); return SEARCH_INDEX.map(it=>({it,s:score(q,it)})).filter(x=>x.s>0).sort((a,b)=>b.s-a.s).slice(0,20).map(x=>x.it); }
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К каталогу
|
||||
</a>
|
||||
</div>
|
||||
<div>
|
||||
<h1>Алгебра — 9 класс</h1>
|
||||
<div class="hdr-sub">Полный курс: рациональные выражения, функции, дробно-рациональные уравнения, прогрессии</div>
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||||
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|
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<div class="po-label">Общий прогресс по курсу</div>
|
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<div id="overall-text" style="font-size:1.05rem;font-weight:700">Загрузка...</div>
|
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|
||||
<div class="ch-cover-wm">A/B</div>
|
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<div class="ch-num">Глава 1</div>
|
||||
<div class="ch-title">Рациональные выражения</div>
|
||||
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|
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|
||||
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|
||||
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|
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<div class="ch-cover ch2">
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<div class="ch-cover-wm">f(x)</div>
|
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<div class="ch-num">Глава 2</div>
|
||||
<div class="ch-title">Функции</div>
|
||||
<div class="ch-range">§6–§9 + Финал</div>
|
||||
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|
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<div class="ch-body">
|
||||
<div class="ch-desc">Функция числового аргумента, область определения и значений, свойства функции, чётность, сдвиги графиков.</div>
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|
||||
<div class="ch-cover-wm">≠0</div>
|
||||
<div class="ch-num">Глава 3</div>
|
||||
<div class="ch-title">Дробно-рациональные уравнения и неравенства</div>
|
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<div class="ch-range">§10–§13 + Финал</div>
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||||
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|
||||
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|
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<svg class="ic" viewBox="0 0 24 24"><polyline points="9 18 15 12 9 6"/></svg>
|
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</div>
|
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</div>
|
||||
</a>
|
||||
|
||||
<a href="/textbook/algebra-9-ch4" class="ch-card ch4-card" id="ch-4">
|
||||
<div class="ch-cover ch4">
|
||||
<div class="ch-cover-wm">aₙ</div>
|
||||
<div class="ch-num">Глава 4</div>
|
||||
<div class="ch-title">Прогрессии</div>
|
||||
<div class="ch-range">§14–§19 + Финал</div>
|
||||
</div>
|
||||
<div class="ch-body">
|
||||
<div class="ch-desc">Числовые последовательности, арифметическая и геометрическая прогрессии, суммы их членов, бесконечно убывающая геометрическая прогрессия.</div>
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||||
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|
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|
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<span id="btn-4">Открыть главу</span>
|
||||
<svg class="ic" viewBox="0 0 24 24"><polyline points="9 18 15 12 9 6"/></svg>
|
||||
</div>
|
||||
</div>
|
||||
</a>
|
||||
|
||||
</div>
|
||||
|
||||
<div class="ach-strip" id="ach-strip">
|
||||
<div class="ach-icon">
|
||||
<svg viewBox="0 0 24 24">
|
||||
<path d="M6 9H4l-1-3h18l-1 3h-2M6 9l1 6h10l1-6M6 9h12"/><path d="M9 21h6M12 15v6"/>
|
||||
</svg>
|
||||
</div>
|
||||
<div class="ach-text">
|
||||
<div class="ach-title">Магистр алгебры 9</div>
|
||||
<div class="ach-sub" id="ach-sub">Прочитайте все 19 параграфов четырёх глав, чтобы получить достижение</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
</main>
|
||||
|
||||
<footer class="foot">
|
||||
Интерактивный учебник «Алгебра — 9 класс» · И. Г. Арефьева, О. Н. Пирютко · LearnSpace
|
||||
</footer>
|
||||
|
||||
<script>
|
||||
'use strict';
|
||||
|
||||
/* THEME */
|
||||
(function(){
|
||||
var saved = localStorage.getItem('algebra9_theme') || localStorage.getItem('theme') || 'light';
|
||||
if (saved === 'dark') document.documentElement.classList.add('dark');
|
||||
var lab = document.getElementById('theme-lab');
|
||||
if (lab) lab.textContent = saved === 'dark' ? 'Светлая' : 'Тёмная';
|
||||
document.getElementById('theme-btn').addEventListener('click', function(){
|
||||
document.documentElement.classList.toggle('dark');
|
||||
var dark = document.documentElement.classList.contains('dark');
|
||||
localStorage.setItem('algebra9_theme', dark ? 'dark' : 'light');
|
||||
localStorage.setItem('theme', dark ? 'dark' : 'light');
|
||||
if (lab) lab.textContent = dark ? 'Светлая' : 'Тёмная';
|
||||
});
|
||||
})();
|
||||
|
||||
/* PROGRESS */
|
||||
var TOTAL = 19;
|
||||
var CH_PARA = {
|
||||
'algebra-9-ch1': 5,
|
||||
'algebra-9-ch2': 4,
|
||||
'algebra-9-ch3': 4,
|
||||
'algebra-9-ch4': 6,
|
||||
};
|
||||
var CH_IDX = {
|
||||
'algebra-9-ch1': 1,
|
||||
'algebra-9-ch2': 2,
|
||||
'algebra-9-ch3': 3,
|
||||
'algebra-9-ch4': 4,
|
||||
};
|
||||
|
||||
function setChProg(idx, readCount, total) {
|
||||
var pct = total ? Math.round(readCount * 100 / total) : 0;
|
||||
var labelEl = document.getElementById('prog-' + idx);
|
||||
var fillEl = document.getElementById('fill-' + idx);
|
||||
var btnEl = document.getElementById('btn-' + idx);
|
||||
if (labelEl) labelEl.textContent = pct + '%';
|
||||
if (fillEl) fillEl.style.width = pct + '%';
|
||||
if (btnEl) {
|
||||
if (readCount > 0 && readCount < total) btnEl.textContent = 'Продолжить';
|
||||
else if (readCount >= total) btnEl.textContent = 'Открыть снова';
|
||||
else btnEl.textContent = 'Открыть главу';
|
||||
}
|
||||
return pct;
|
||||
}
|
||||
|
||||
function renderProgress(children) {
|
||||
var totalRead = 0;
|
||||
for (var i = 0; i < children.length; i++) {
|
||||
var ch = children[i];
|
||||
var idx = CH_IDX[ch.slug];
|
||||
if (!idx) continue;
|
||||
var read = ch.progress ? ch.progress.read.length : 0;
|
||||
var total = ch.para_count || CH_PARA[ch.slug] || 1;
|
||||
totalRead += read;
|
||||
setChProg(idx, read, total);
|
||||
}
|
||||
|
||||
var pct = Math.round(totalRead * 100 / TOTAL);
|
||||
var overallEl = document.getElementById('overall-text');
|
||||
var fillEl = document.getElementById('overall-fill');
|
||||
if (overallEl) overallEl.textContent = totalRead + ' из ' + TOTAL + ' параграфов · ' + pct + '%';
|
||||
if (fillEl) fillEl.style.width = pct + '%';
|
||||
|
||||
var xpBadge = document.getElementById('hero-xp-badge');
|
||||
var xp = parseInt(localStorage.getItem('algebra9_xp') || '0', 10) || 0;
|
||||
if (xpBadge && xp > 0) {
|
||||
xpBadge.style.display = '';
|
||||
xpBadge.textContent = xp + ' XP';
|
||||
}
|
||||
|
||||
if (totalRead >= TOTAL) {
|
||||
var strip = document.getElementById('ach-strip');
|
||||
var sub = document.getElementById('ach-sub');
|
||||
if (strip) strip.classList.add('lit');
|
||||
if (sub) sub.textContent = 'Выполнено! Вы прочитали весь курс алгебры 9 класса.';
|
||||
}
|
||||
}
|
||||
|
||||
function loadProgress() {
|
||||
if (typeof window.LS === 'undefined' || typeof window.LS.api !== 'function') {
|
||||
renderProgress([]);
|
||||
return;
|
||||
}
|
||||
window.LS.api('/api/textbooks/algebra-9/children')
|
||||
.then(function(data) {
|
||||
if (data && data.children) renderProgress(data.children);
|
||||
else renderProgress([]);
|
||||
})
|
||||
.catch(function() { renderProgress([]); });
|
||||
}
|
||||
|
||||
if (document.readyState === 'loading') {
|
||||
document.addEventListener('DOMContentLoaded', loadProgress);
|
||||
} else {
|
||||
loadProgress();
|
||||
}
|
||||
window.addEventListener('focus', loadProgress);
|
||||
</script>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user