Cards, Lists, and Content Organization
Local events filterable card wall

Complete a filterable card wall in a local events scenario: include real content, actionable controls, clear status feedback, and a responsive layout across sizes.
Cards, Lists, and Content OrganizationFilterable Card WallHTMLCSSJavaScript
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    <header class="mast"><div><span class="eyebrow">magazine / filterable card wall / BEGINNER</span><h1>Local events filterable card wall</h1><p class="intro">Complete a filterable card wall in a local events scenario: include real content, actionable controls, clear status feedback, and a responsive layout across sizes.</p></div><span class="scenario">Local Events</span></header>
    <div class="composition-index"><section class="demo" aria-label="Local events filterable card wall interaction area"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>Reference Channel</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · Parent-Child Activities</label><label><input type="radio" name="workflowChannel" value="B">B · Outdoor Activities</label></fieldset><label>Travel Distance Weight<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 km</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and Collect Events</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Local Events COMPARE</span><h2>Dual-Version Activity Comparison</h2><output id="workflowCompareLive">Version A waiting for sampling</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:cards-lists-content-filter-cards --><div class="stack"><div class="filter-bar panel"><label><span class="eyebrow">Instant Search</span><input id="filterQuery" type="search" placeholder="Search local event content" autocomplete="off"></label><div class="row" role="group" aria-label="Status Filter"><button class="action filter-button" type="button" data-group="0" aria-pressed="true" data-core-bridge="cards-lists-content-filter-cards">All</button><button class="action filter-button" type="button" data-group="1" aria-pressed="false">In Progress</button><button class="action filter-button" type="button" data-group="2" aria-pressed="false">Completed</button></div></div><div id="filterItems" class="content-grid"><article data-group="1"><span class="chip">In Progress</span><h2>Local Activity Progress</h2><p>ID 01 · searchable independent content record.</p></article><article data-group="2"><span class="chip">Completed</span><h2>Local Event Reminders</h2><p>Entry 02 · searchable independent content record.</p></article><article data-group="1"><span class="chip">In Progress</span><h2>Local events collection</h2><p>Item 03 · searchable independent content record.</p></article><article data-group="2"><span class="chip">Completed</span><h2>Local Events Overview</h2><p>Record No. 04 · Searchable standalone content record.</p></article><article data-group="1"><span class="chip">In Progress</span><h2>Local event plan</h2><p>Record No. 05 · independent, searchable content.</p></article><article data-group="2"><span class="chip">Completed</span><h2>Local event inspiration</h2><p>ID 06 · Searchable standalone content record.</p></article><article data-group="1"><span class="chip">In Progress</span><h2>Local Event Record</h2><p>ID 07 · searchable standalone content record.</p></article><article data-group="2"><span class="chip">Completed</span><h2>Local event collaboration</h2><p>Record No. 08 · searchable independent content record.</p></article></div><div id="filterEmpty" class="panel" hidden>No matching content found. Please change the keyword.</div></div><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section><aside class="index-mark" aria-hidden="true"><strong>05</strong><span>Local Events FIELD INDEX</span></aside></div>
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    function applyFilter() { const words = query.value.normalize('NFKC').trim().toLowerCase().split(/\s+/).filter(Boolean); let count = 0; cards.forEach(card => { const searchable = card.textContent.normalize('NFKC').toLowerCase(); const visible = (group === '0' || card.dataset.group === group) && words.every(word => searchable.includes(word)); card.hidden = !visible; if (visible) count += 1; }); empty.hidden = count !== 0; announce('Found ' + count + ' Items'); }
    document.querySelectorAll('.filter-button').forEach(button => button.addEventListener('click', () => { group = button.dataset.group; document.querySelectorAll('.filter-button').forEach(item => item.setAttribute('aria-pressed', String(item === button))); applyFilter(); })); query.addEventListener('input', applyFilter);
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const workflowCompareCore=document.querySelector('#workflowCore');const workflowCompareWeight=document.querySelector('#workflowCompareWeight');const workflowCompareState={channel:'A',weight:50,frozen:false,snapshots:[]};function workflowCompareFingerprint(){const controls=[...workflowCompareCore.querySelectorAll('input,select,textarea')];const outputs=[...workflowCompareCore.querySelectorAll('output,[role="status"],strong')].map(node=>node.textContent.trim()).filter(Boolean);return {controlValues:controls.map(control=>control.type==='checkbox'||control.type==='radio'?control.checked:control.value),summary:outputs.slice(0,4).join(' / '),nodes:workflowCompareCore.querySelectorAll('*').length};}function workflowCompareDrive(){workflowCompareCore.dataset.compareChannel=workflowCompareState.channel;workflowCompareCore.style.setProperty('--compare-split',workflowCompareState.weight+'%');document.querySelector('#workflowCompareWeightValue').textContent=workflowCompareState.weight+' kilometers';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' kilometers'+(workflowCompareState.frozen?' · Frozen':'');announce('Viewing activity comparison '+workflowCompareState.channel+' Version');}function workflowCompareCapture(source){const bridge=workflowBridgeActivate();const snapshot={...workflowCompareFingerprint(),channel:workflowCompareState.channel,weight:workflowCompareState.weight,source,bridge:bridge.summary};workflowCompareState.snapshots.push(snapshot);const item=document.createElement('li');item.innerHTML='<b>'+snapshot.channel+'</b><span>'+(snapshot.summary||snapshot.bridge)+'</span><small>'+snapshot.weight+' km · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Version and bookmark activities · '+bridge.summary);}document.querySelectorAll('[name="workflowChannel"]').forEach(input=>input.addEventListener('change',()=>{workflowCompareState.channel=input.value;workflowCompareDrive();}));workflowCompareWeight.addEventListener('input',()=>{workflowCompareState.weight=Number(workflowCompareWeight.value);workflowCompareDrive();});document.querySelector('#workflowCompareFreeze').addEventListener('change',event=>{workflowCompareState.frozen=event.currentTarget.checked;workflowCompareDrive();});document.querySelector('#workflowCompareCapture').addEventListener('click',()=>workflowCompareCapture('Button Sampling'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('Main view double-click'));workflowCompareDrive();
workflowBridgeReset();
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