Maxim Dolgolyov
a07e631e8e
- 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+.
574 lines
40 KiB
HTML
574 lines
40 KiB
HTML
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<title>Алгебра 9 · Глава 2 · Функции</title>
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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 2</h1>
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<div class="hdr-sub">Числовой аргумент · свойства · чётность · сдвиги</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>
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</div>
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</div>
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</header>
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<main class="main">
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<div class="col-main">
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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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<div class="hero-row">
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<button class="btn-primary" onclick="goTo('p6')"><svg class="ic" viewBox="0 0 24 24"><polygon points="6 4 20 12 6 20 6 4" fill="currentColor" stroke="none"/></svg> Начать § 6</button>
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<span class="hp-label">Прогресс по главе</span>
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<div class="psel-title">Параграфы главы</div>
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</section>
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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>
|
||
<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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|
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<div class="col-side-backdrop" id="col-side-backdrop"></div>
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</main>
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<footer class="foot">Интерактивный учебник «Алгебра 9» · Глава 2 · Функции · LearnSpace</footer>
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{ id:'p8', num:'§ 8', name:'Чётные и нечётные функции', sub:'симметрия графика' },
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{ id:'p9', num:'§ 9', name:'Сдвиги графиков', sub:'$y=f(x)+b$, $y=f(x \pm a)$' },
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if(paraId==='final2') achievement('ch2_done');
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|
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/* ===== 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();
|
||
buildParaSelector(); refreshProgressUI(); loadServerReadState(); goTo('p6');
|
||
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>
|