aria-live: give filtered results one clear count

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<html lang="en-US"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>aria-live: give filtered results one clear count</title><style>:root{--paper:#fff6f0;--ink:#362d31;--accent:#913e4b;--surface:#fffdfb;--border:#decac7;--wash:#f6e7e3;--muted:#665057;--title:system-ui,sans-serif;--radius:3px;--buttonText:#fff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 system-ui,sans-serif}main{max-width:980px;margin:auto;padding:24px 26px 48px}header{margin-bottom:20px;border-bottom:2px solid var(--accent);padding-bottom:16px}h1{font:700 clamp(28px,5vw,42px)/1.18 var(--title);margin:0 0 10px;letter-spacing:-.025em}h2{font-size:23px;line-height:1.35;margin:24px 0 12px}h3{font-size:19px}p{margin:0 0 16px}.eyebrow{font-size:16px;color:var(--accent);font-weight:700;margin:0 0 5px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;min-width:0;margin-bottom:20px}label{display:block;font-weight:650;margin-bottom:14px}input,textarea,select{display:block;font:inherit;line-height:1.5;width:100%;min-width:0;color:var(--ink);background:var(--surface);border:1px solid var(--accent);border-radius:5px;padding:9px 11px;margin-top:5px}textarea{resize:vertical}button{font:650 16px/1.5 system-ui;min-height:44px;padding:9px 16px;color:var(--buttonText);background:var(--accent);border:1px solid var(--accent);border-radius:5px;cursor:pointer;margin:4px 6px 4px 0}button[aria-pressed=true]{outline:3px solid var(--accent);outline-offset:2px}button:disabled{opacity:.55;cursor:default}:focus-visible{outline:3px solid #b86d10;outline-offset:3px}.result{border-left:4px solid var(--accent);background:var(--wash);padding:15px;margin:16px 0;white-space:pre-line;overflow-wrap:anywhere;font-weight:600}.result:empty{display:none}pre{font:16px/1.55 ui-monospace,Consolas,monospace;background:var(--wash);padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--border);border-radius:5px}code{overflow-wrap:anywhere}.note{font-size:16px;color:var(--muted)}.row{border-bottom:1px solid var(--border);padding:12px 0}.row strong{display:block}table{width:100%;border-collapse:collapse;font-size:16px;table-layout:fixed}th,td{padding:10px 8px;text-align:left;border-bottom:1px solid var(--border);overflow-wrap:anywhere}th{background:var(--wash)}a{color:var(--accent);overflow-wrap:anywhere}footer{border-top:1px solid var(--border);padding-top:16px;font-size:16px;color:var(--muted)}.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:330px}.tile{padding:16px;text-align:center;background:var(--wash);border:1px solid var(--border);font-size:22px}svg,canvas{max-width:100%;height:auto}mark{background:#d5f525;color:#202600}ol,ul{padding-left:24px}li{margin-bottom:9px}[hidden]{display:none!important}@media(max-width:640px){main{padding:18px 16px 36px}.grid{grid-template-columns:1fr;gap:0}.panel{padding:17px}header{padding-bottom:12px;margin-bottom:16px}h1{font-size:29px}th,td{padding:8px 5px}h2{margin-top:18px}}#announcement:empty{display:block}</style></head><body><main><header><p class="eyebrow">Original worked example</p><h1>aria-live: give filtered results one clear count</h1><p>Six fictional 45-minute sessions. Filter the list while keeping the result announcement concise.</p></header><section class="panel"><button id="all" type="button">All</button><button id="writing" type="button">Writing</button><button id="data" type="button">Data</button><button id="presenting" type="button">Presenting</button><label for="search">Search workshop titles<input id="search" type="text" value=""></label><button id="apply" type="button">Apply search</button><button id="clear" type="button">Clear filters</button><p id="initial">6 sessions available.</p><p class="result" id="announcement" aria-live="polite" aria-atomic="true"></p><div id="sessions"></div></section><footer>Visible filtering and ARIA markup do not prove screen-reader speech or a specific device/browser experience. Changes are temporary. No data is sent or saved.</footer></main><script>
(() => {
'use strict';
const $=selector=>document.querySelector(selector);
const on=(selector,handler)=>$(selector).addEventListener('click',handler);
(function(){const data=[['Clear email','Writing','9:00 AM'],['Better summaries','Writing','10:00 AM'],['Spreadsheet cleanup','Data','9:00 AM'],['Chart labels','Data','11:00 AM'],['Slide structure','Presenting','10:00 AM'],['Practice introductions','Presenting','1:00 PM']];let category='All',timer=null;function filter(announce=true){const query=$('#search').value.trim().toLowerCase(),rows=data.filter(r=>(category==='All'||r[1]===category)&&r[0].toLowerCase().includes(query));$('#sessions').replaceChildren();for(const row of rows){const p=document.createElement('p');p.textContent=row[0]+' · '+row[1]+' · '+row[2]+' · 45 minutes';$('#sessions').appendChild(p);}if(!rows.length){const p=document.createElement('p');p.textContent='No matching sessions. Clear filters or try another title.';$('#sessions').appendChild(p);}if(announce){$('#initial').hidden=true;$('#announcement').textContent=rows.length+(rows.length===1?' session matches ':' sessions match ')+category+(query?' and "'+query+'"':'')+'.';}}for(const [id,name]of [['all','All'],['writing','Writing'],['data','Data'],['presenting','Presenting']])on('#'+id,()=>{clearTimeout(timer);category=name;filter();});on('#apply',()=>{clearTimeout(timer);filter();});on('#clear',()=>{clearTimeout(timer);category='All';$('#search').value='';filter();});$('#search').addEventListener('input',()=>{clearTimeout(timer);timer=setTimeout(()=>filter(),300);});$('#announcement').setAttribute('aria-live','polite');$('#announcement').setAttribute('aria-atomic','true');filter(false);})();
})();
</script></body></html>