Lista zadań z edycją

Gotowy kod: Lista zadań z edycją

HTML

<section class="lab"><h2>Lista zadań z edycją</h2><form class="todo-form"><input required maxlength="120" aria-label="Nowe zadanie" placeholder="Co chcesz zrobić?"><button>Dodaj</button></form><ul class="todo-list"></ul><p class="todo-count" role="status"></p><p class="lab-hint">Zadania w tym przykładzie pozostają w pamięci do przeładowania podglądu.</p></section>

CSS

*{box-sizing:border-box}body{margin:0;padding:35px 24px;background:#f4f5ef;color:#293322;font:15px/1.7 Arial,sans-serif;min-height:100vh;display:grid;place-items:center}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #738858;outline-offset:4px}h2,h3,p{margin-top:0}[hidden]{display:none!important}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.lab{max-width:800px;margin:25px auto;padding:25px;border:1px solid #d4dec9;border-radius:14px;background:#fff;color:#273724;font:15px/1.6 system-ui,sans-serif;overflow-wrap:anywhere}.lab *{box-sizing:border-box}.lab h2{font-size:23px;margin:0 0 25px;line-height:1.3}.lab h3{line-height:1.3}.lab label{display:block;margin:10px 0}.lab input:not([type=checkbox]):not([type=radio]),.lab select,.lab textarea{font:inherit;padding:9px;border:1px solid #bac9ad;border-radius:6px;max-width:100%;background:#fff;color:#273724}.lab input[type=range]{width:100%;accent-color:#6f8e58}.lab input[type=color]{height:45px;width:70px}.lab input[type=checkbox]{accent-color:#6f8e58;margin-right:8px}.lab textarea{width:100%}.lab button{font:inherit;font-weight:600;border:0;border-radius:14px;background:#6f8e58;color:#fff;padding:10px 16px;cursor:pointer}.lab button:disabled{opacity:.45;cursor:default}.lab :focus-visible{outline:3px solid #315f8b;outline-offset:3px}.lab pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f0f4e9;padding:15px;font:12px/1.6 monospace}.lab table{border-collapse:collapse;width:100%}.lab th,.lab td{padding:10px;text-align:left;border-bottom:1px solid #d9e3ce}.lab progress{accent-color:#6f8e58}.lab .lab-hint{font-size:11px;color:#687861;border-top:1px solid #dbe3d0;padding-top:16px;margin-top:25px}.lab [hidden]{display:none!important}@media(max-width:480px){.lab{padding:16px;margin:10px auto}.lab h2{font-size:20px}.lab table{font-size:12px}.lab th,.lab td{padding:7px}}@media(prefers-reduced-motion:reduce){.lab *{animation:none!important;transition:none!important}}
.todo-form{display:flex;gap:8px}.todo-list{list-style:none;padding:0}.todo-list li{display:flex;align-items:center;gap:10px;padding:12px;border-bottom:1px solid #d1dcc4}.todo-list span{flex:1}.todo-list input{width:auto}.todo-list .done{text-decoration:line-through;color:#687861}

JavaScript

const form=document.querySelector('.todo-form'),list=document.querySelector('.todo-list');let tasks=[{text:'Wypróbuj przykład',done:false}];function render(){list.replaceChildren();tasks.forEach((task,i)=>{const li=document.createElement('li'),input=document.createElement('input'),span=document.createElement('span'),remove=document.createElement('button');input.type='checkbox';input.checked=task.done;input.setAttribute('aria-label','Ukończ: '+task.text);input.onchange=()=>{task.done=input.checked;render()};span.textContent=task.text;span.className=task.done?'done':'';remove.textContent='Usuń';remove.onclick=()=>{tasks.splice(i,1);render()};li.append(input,span,remove);list.append(li)});document.querySelector('.todo-count').textContent='Pozostało: '+tasks.filter(t=>!t.done).length}form.onsubmit=e=>{e.preventDefault();const text=form.querySelector('input').value.trim();if(!text)return;tasks.push({text,done:false});form.reset();render()};render();