Floating layers and status feedback

Gallery check-in bell help popover

Complete a help popover in a gallery check-in bell scenario: includes real content, actionable controls, clear state feedback, and responsive layouts across sizes.

Floating layers and status feedbackHelp PopoverHTMLCSSJavaScript
With JavaScript enabled, you can edit, run, and save this example. The fixed source is as follows:
<!doctype html>
<html lang="en" dir="ltr">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Gallery check-in bell help popover</title>
  <style>
    :root { --ink:#24213a; --paper:#f6f1e8; --accent:#e6a23c; --secondary:#a8a1d8; --line:color-mix(in srgb, var(--ink) 18%, transparent); --shadow:0 24px 60px color-mix(in srgb, var(--ink) 16%, transparent); color-scheme:light; }
    * { box-sizing:border-box; }
    html { min-width:320px; background:var(--paper); }
    body { min-height:100vh; margin:0; overflow-x:hidden; color:var(--ink); font-family:"IBM Plex Sans","PingFang SC",sans-serif; background:linear-gradient(color-mix(in srgb,var(--ink) 5%,transparent) 1px,transparent 1px),var(--paper);background-size:100% 36px; }
    button,input,select,textarea { color:inherit; font:inherit; }
    button,[role="button"],input,select,textarea { accent-color:var(--accent); }
    button { cursor:pointer; }
    button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
    [hidden] { display:none !important; }
    @media (max-width:700px) { .mast h1 { line-height:1.08 !important; letter-spacing:-.035em !important; overflow-wrap:anywhere; } }
    @media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
    .page{width:min(1280px,calc(100% - 24px));margin:auto;padding:28px 0 64px}.mast{display:flex;justify-content:space-between;padding:18px;border:1px solid var(--line);background:color-mix(in srgb,#fff 60%,transparent);gap:18px;margin-bottom:14px}.mast h1{font-family:"IBM Plex Sans","PingFang SC",sans-serif;font-weight:800;font-size:clamp(34px,6vw,66px);letter-spacing:-.045em;margin:0;line-height:1}.eyebrow{display:block;margin-bottom:6px;color:var(--accent);font:800 10px/1 ui-monospace,monospace;letter-spacing:.16em}.intro{max-width:720px;margin:10px 0 0;font-size:14px;line-height:1.6}.scenario{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--paper);font-size:12px}.demo{border-radius:14px;box-shadow:0 14px 40px color-mix(in srgb,var(--ink) 11%,transparent);position:relative;min-height:390px;overflow:hidden;padding:24px;background:color-mix(in srgb,var(--paper) 90%,#fff)}@media(max-width:700px){.page{width:calc(100% - 12px);padding-top:12px}.mast{display:grid}.demo{padding:12px}}
    .panel{padding:24px;border-block:1px solid var(--ink);background:transparent}.stack{display:grid;gap:22px}.row{display:flex;flex-wrap:wrap;gap:16px}.action{padding:8px 0;border:0;border-bottom:1px solid currentColor;background:transparent;letter-spacing:.08em}.action.primary,.action.is-active{color:var(--accent);border-bottom-width:4px}.status{min-height:28px;margin-top:20px;font-style:italic}.metric{font-family:Didot,serif;font-size:clamp(38px,8vw,76px)}.muted{max-width:54ch;line-height:1.8}.meter{position:relative;height:3px;background:var(--line)}.meter>i{position:absolute;inset:0 auto 0 0;background:var(--accent)}.chip{padding-bottom:3px;border-bottom:1px solid var(--ink);font-size:13px}
    .composition-gallery{margin:0;padding:clamp(8px,2vw,18px);border:1px solid var(--ink);background:color-mix(in srgb,var(--paper) 78%,transparent)}.gallery-caption{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:15px 4px 2px;font-size:12px}.gallery-caption::before,.gallery-caption::after{content:"";height:1px;background:var(--line)}.gallery-caption strong{font:800 11px/1.2 ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase}.composition-gallery .demo{box-shadow:none}.composition-gallery .demo::before{content:"";position:absolute;inset:10px;border:1px dashed color-mix(in srgb,var(--accent) 36%,transparent);pointer-events:none}
    .help-popover-demo{position:relative;display:grid;grid-template-columns:1fr minmax(190px,.4fr);gap:18px;min-height:370px}.help-document{display:grid;align-content:center;gap:18px;padding:clamp(24px,5vw,54px);border:1px solid var(--line);border-radius:24px;background:var(--paper)}.help-document h2{margin:0;font-size:clamp(32px,6vw,62px)}.help-setting{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:14px}.help-setting small{display:block;margin-top:5px;opacity:.65}.help-setting>button{padding:8px;border:0;border-bottom:1px solid currentColor;background:transparent}.help-toggle{position:relative}.help-toggle input{position:absolute;opacity:0}.help-toggle span{display:block;width:45px;height:26px;padding:3px;border-radius:999px;background:var(--line)}.help-toggle span::after{content:"";display:block;width:20px;height:20px;border-radius:50%;background:var(--paper);transition:transform .18s}.help-toggle input:checked+span{background:var(--accent)}.help-toggle input:checked+span::after{transform:translateX(19px)}.help-toggle input:focus-visible+span{outline:3px solid var(--accent);outline-offset:3px}.help-popover{width:min(360px,calc(100% - 24px));padding:20px;border:1px solid var(--line);border-radius:18px;color:var(--ink);background:var(--paper);box-shadow:0 22px 55px #0004}.help-popover header{display:flex;justify-content:space-between;align-items:center;font:800 10px/1 ui-monospace,monospace;letter-spacing:.15em}.help-popover header button{width:34px;height:34px;border:0;border-radius:50%;background:var(--line)}.help-popover a{color:var(--accent);font-weight:900}.help-tip{display:grid;place-content:center;gap:16px;padding:22px;border-radius:24px;color:var(--paper);background:var(--ink)}.help-tip>span{display:grid;width:56px;height:56px;place-items:center;border:1px solid currentColor;border-radius:50%;font-size:28px}@media(max-width:650px){.help-popover-demo{grid-template-columns:1fr}.help-setting{grid-template-columns:1fr auto}.help-setting>button{grid-row:2}.help-tip{min-height:170px}}.workflow-compare{display:grid;grid-template-columns:minmax(230px,.55fr) minmax(0,1.45fr);gap:18px}.compare-stage{display:grid;gap:12px;min-width:0}.compare-stage>header{display:flex;justify-content:space-between;gap:16px;align-items:end}.compare-stage h2{margin:.2em 0}.compare-core{--compare-split:50%;min-width:0;padding:14px;clip-path:inset(0 calc(100% - var(--compare-split)) 0 0);outline:1px dashed var(--accent);outline-offset:-8px;transition:clip-path .25s,filter .25s}.compare-core[data-compare-channel="B"]{filter:hue-rotate(32deg) saturate(1.15)}.compare-controls{display:grid;align-content:start;gap:16px;padding:20px;border:1px solid var(--line);border-radius:24px 4px 24px 4px;background:var(--paper)}.compare-controls fieldset,.compare-controls>label{display:grid;gap:8px}.compare-controls input[type="range"]{width:100%}#workflowCompareShelf{display:grid;gap:6px;padding:0;margin:0;list-style:none}#workflowCompareShelf li{display:grid;grid-template-columns:auto 1fr auto;gap:8px;padding:9px;border-top:1px solid var(--line);font-size:12px}@media(max-width:900px){.workflow-compare{grid-template-columns:1fr}.compare-stage{order:-1}.compare-core{clip-path:none;border-left:8px solid var(--accent)}}.similarity-shell{--similarity-density:100;display:grid;gap:18px;padding:clamp(18px,4vw,28px);border:1px solid var(--line);border-radius:28px;background:color-mix(in srgb,var(--paper) 88%,transparent);box-shadow:var(--shadow)}.similarity-head{display:flex;justify-content:space-between;gap:18px;align-items:end}.similarity-head h2{margin:.2em 0}.similarity-head output{padding:10px 14px;border-left:4px solid var(--accent);font-weight:900}.similarity-layout{display:grid;grid-template-columns:minmax(220px,.58fr) minmax(0,1.42fr);gap:16px}.similarity-console{display:grid;align-content:start;gap:16px;padding:18px;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--secondary) 10%,var(--paper))}.similarity-modes{display:grid;gap:8px;padding:0;border:0}.similarity-console label{display:grid;gap:8px}.similarity-console input[type="range"]{width:100%}.similarity-pin{display:flex;gap:10px;align-items:center}.similarity-checklist,.similarity-log{display:grid;gap:8px;padding-left:18px;margin:0}.similarity-checklist li.is-done{color:var(--accent);font-weight:900}.similarity-stage{display:grid;gap:14px;min-width:0}.similarity-deck{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.similarity-deck article{display:grid;gap:6px;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--paper);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.similarity-deck article[data-active="true"]{transform:translateY(-4px);box-shadow:0 14px 28px color-mix(in srgb,var(--accent) 16%,transparent);background:color-mix(in srgb,var(--secondary) 14%,var(--paper))}.similarity-deck span{font:800 11px/1 ui-monospace,monospace;letter-spacing:.16em}.similarity-core-shell{min-width:0;padding:clamp(14px,3vw,22px);overflow:auto;border:1px dashed var(--line);border-radius:22px;background:linear-gradient(180deg,color-mix(in srgb,var(--secondary) 8%,transparent),transparent 80%)}.similarity-core-shell>*{display:block;width:calc(10000%/var(--similarity-density));max-width:none;transform:scale(calc(var(--similarity-density)/100));transform-origin:top center}.similarity-shell[data-review-state="compare"] .similarity-core-shell{border-style:solid;box-shadow:inset 0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}.similarity-shell[data-review-state="compare"] .similarity-deck article{opacity:.72}.similarity-shell[data-review-state="compare"] .similarity-deck article[data-active="true"]{opacity:1}.similarity-shell[data-review-state="audit"] .similarity-console{color:var(--paper);background:var(--ink)}.similarity-shell[data-review-state="audit"] .similarity-console .action{color:var(--paper);border-color:var(--paper)}.similarity-shell[data-review-state="audit"] .similarity-log li{border-left:3px solid var(--secondary);padding-left:8px}.similarity-shell[data-pinned="true"] .similarity-core-shell{outline:4px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:2px}@media(max-width:920px){.similarity-layout{grid-template-columns:1fr}.similarity-deck{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.similarity-head{align-items:stretch;flex-direction:column}.similarity-deck{grid-template-columns:1fr}.similarity-core-shell>*{width:100%;transform:none}}
  </style>
</head>
<body data-aesthetic="dashboard" data-composition="gallery-frame">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">dashboard / Help Popover / INTERMEDIATE</span><h1>Gallery check-in bell help popover</h1><p class="intro">Complete a help popover in a gallery check-in bell scenario: includes real content, actionable controls, clear state feedback, and responsive layouts across sizes.</p></div><span class="scenario">Gallery Check-in Bell</span></header>
    <figure class="composition-gallery"><section class="demo" aria-label="Gallery check-in bell help popover interaction area"><div id="similarityShell" class="similarity-shell" data-review-state="focus"><header class="similarity-head"><div><span class="eyebrow">Gallery Check-in Bell / REVIEW STUDIO</span><h2>Help Overlay Review Console</h2><p>Place the main case inside a separate review shell, and additionally record the observation mode, checkpoints, and current conclusion.</p></div><output id="similarityState">Ready to start review</output></header><div class="similarity-layout"><aside class="similarity-console"><fieldset class="similarity-modes"><legend>Review perspective</legend><button class="action primary" type="button" data-review-view="focus">Focus on the main view</button><button class="action" type="button" data-review-view="compare">Checklist</button><button class="action" type="button" data-review-view="audit">Record on Site</button></fieldset><label>Observation Density<input id="similarityDensity" type="range" min="84" max="124" value="100"><output id="similarityDensityValue">100%</output></label><label class="similarity-pin"><input id="similarityPin" type="checkbox"> Pin current checkpoint</label><ol id="similarityChecklist" class="similarity-checklist"><li>Gallery check-in bell plan</li><li>Gallery Check-in Bell Inspiration</li><li>Gallery Check-in Bell Log</li><li>Gallery Check-in Bell Collaboration</li></ol><button id="similarityCapture" class="action primary" type="button">Checkpoint Records</button><ol id="similarityLog" class="similarity-log"><li>Waiting for the first check record</li></ol></aside><section class="similarity-stage"><div id="similarityDeck" class="similarity-deck"><article data-active="true"><span>01</span><strong>Gallery check-in bell plan</strong><p>Check whether the status change is visible</p></article><article><span>02</span><strong>Gallery Check-in Bell Inspiration</strong><p>Confirm keyboard and click entry points are consistent</p></article><article><span>03</span><strong>Gallery Check-in Bell Log</strong><p>Check whether the layout falls back on narrow screens</p></article><article><span>04</span><strong>Gallery Check-in Bell Collaboration</strong><p>Record current review conclusion</p></article></div><div id="similarityCoreShell" class="similarity-core-shell"><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 · Gallery check-in bell panel open</label><label><input type="radio" name="workflowChannel" value="B">B · Gallery check-in bell processing</label></fieldset><label>Pending workload weight<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 item</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and Process</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Gallery Check-in Bell COMPARE</span><h2>Gallery check-in bell dual-version 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:overlays-feedback-help-popover --><section class="help-popover-demo"><div class="help-document"><span class="eyebrow">HELP POPOVER</span><h2>Gallery check-in bell setup instructions</h2><p>Help content opens in place from the trigger button without interrupting the current task.</p><div class="help-setting"><div><strong>Gallery check-in bell plan</strong><small>Keep the most recent configuration</small></div><button id="helpPopoverTrigger" type="button" aria-expanded="false" aria-controls="helpPopover" data-core-bridge="overlays-feedback-help-popover">What is this?</button><label class="help-toggle"><input type="checkbox" checked aria-label="Enable the gallery check-in bell plan"><span aria-hidden="true"></span></label></div></div><div id="helpPopover" class="help-popover" popover role="note"><header><span>QUICK HELP</span><button id="helpPopoverClose" type="button" aria-label="Close Help">×</button></header><h3>Gallery check-in bell plan</h3><p>When enabled, preferences are saved only in the current browser and no network requests are made.</p><a href="#help-detail">View full instructions</a></div><aside class="help-tip"><span aria-hidden="true">?</span><p>Supports Popover API; older browsers automatically fall back to a switchable panel.</p></aside></section><!-- 11DZ_CORE_END --></section></section></div></div></section></div></div><p id="status" class="status" role="status" aria-live="polite"></p></section><figcaption class="gallery-caption"><strong>Gallery Check-in Bell / GALLERY 03</strong></figcaption></figure>
  </main>
  <script>
    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:overlays-feedback-help-popover */
const helpPopover=document.querySelector('#helpPopover');const helpPopoverTrigger=document.querySelector('#helpPopoverTrigger');const helpPopoverClose=document.querySelector('#helpPopoverClose');const supportsPopover=typeof helpPopover.showPopover==='function';helpPopover.hidden=!supportsPopover;function helpIsOpen(){return supportsPopover?helpPopover.matches(':popover-open'):!helpPopover.hidden;}function setHelpPopover(open){if(supportsPopover){if(open&&!helpIsOpen())helpPopover.showPopover();if(!open&&helpIsOpen())helpPopover.hidePopover();}else helpPopover.hidden=!open;helpPopoverTrigger.setAttribute('aria-expanded',String(open));announce(open?'Help popover expanded':'Help popover closed');}helpPopoverTrigger.addEventListener('click',()=>setHelpPopover(!helpIsOpen()));helpPopoverClose.addEventListener('click',()=>{setHelpPopover(false);helpPopoverTrigger.focus();});helpPopover.addEventListener('toggle',event=>{helpPopoverTrigger.setAttribute('aria-expanded',String(event.newState==='open'));});document.querySelector('.help-popover a').addEventListener('click',event=>{event.preventDefault();announce('Full details located');});document.addEventListener('keydown',event=>{if(event.key==='Escape'&&helpIsOpen()){setHelpPopover(false);helpPopoverTrigger.focus();}});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"overlays-feedback-help-popover","selector":"[data-core-bridge=\"overlays-feedback-help-popover\"]","mode":"click","key":"Enter"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · Core Version '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("click",workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();workflowBridgeControl.click();const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
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+' Item';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' Item'+(workflowCompareState.frozen?' · Frozen':'');announce('Gallery check-in bell is being viewed '+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+' Item · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Version and complete processing · '+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();
const similarityShell=document.querySelector('#similarityShell');const similarityState=document.querySelector('#similarityState');const similarityDensity=document.querySelector('#similarityDensity');const similarityDensityValue=document.querySelector('#similarityDensityValue');const similarityPin=document.querySelector('#similarityPin');const similarityChecklistItems=[...document.querySelectorAll('#similarityChecklist li')];const similarityDeckItems=[...document.querySelectorAll('#similarityDeck article')];const similarityLog=document.querySelector('#similarityLog');const similarityNotes=["Gallery check-in bell plan","Gallery Check-in Bell Inspiration","Gallery Check-in Bell Log","Gallery Check-in Bell Collaboration"];const similarityCore=document.querySelector('#workflowCore');let similarityCaptures=0;function similaritySetActive(index){similarityDeckItems.forEach((item,itemIndex)=>{if(itemIndex===index)item.setAttribute('data-active','true');else item.removeAttribute('data-active');});}function similarityRender(reason){const version=similarityCore?.dataset.workflowVersion||'0';const density=Number(similarityDensity.value);similarityShell.style.setProperty('--similarity-density',String(density));similarityShell.dataset.pinned=String(similarityPin.checked);similarityDensityValue.textContent=density+'%';similarityChecklistItems.forEach((item,index)=>item.classList.toggle('is-done',index<similarityCaptures));similaritySetActive(Math.min(similarityDeckItems.length-1,similarityCaptures%similarityDeckItems.length));similarityState.textContent=reason+' · Core Version '+version+(similarityPin.checked?' · Fixed':'');}document.querySelectorAll('[data-review-view]').forEach(button=>button.addEventListener('click',()=>{document.querySelectorAll('[data-review-view]').forEach(item=>item.classList.toggle('primary',item===button));similarityShell.dataset.reviewState=button.dataset.reviewView;similarityRender('Switched to'+button.textContent);announce('Review view:'+button.textContent);}));similarityDensity.addEventListener('input',()=>{similarityRender('Observation density has been updated');announce('Observation Density '+similarityDensity.value+'%');});similarityPin.addEventListener('change',()=>{similarityRender(similarityPin.checked?'Current checkpoint is fixed':'Current checkpoint unlocked');announce(similarityPin.checked?'Pinned current checkpoint':'Checkpoint Unpinned');});document.querySelector('#similarityCapture').addEventListener('click',()=>{const note=similarityNotes[similarityCaptures%similarityNotes.length];const version=similarityCore?.dataset.workflowVersion||'0';similarityCaptures+=1;const item=document.createElement('li');item.textContent='Checkpoint '+similarityCaptures+' · '+note+' · Core Version '+version;const empty=similarityLog.querySelector('li')?.textContent==='Waiting for the first check record';if(empty)similarityLog.replaceChildren(item);else similarityLog.prepend(item);while(similarityLog.children.length>6)similarityLog.lastElementChild.remove();similarityRender('Checkpoint recorded '+similarityCaptures);announce('Checkpoint recorded '+similarityCaptures+' · '+note);});similarityCore?.addEventListener('focusin',()=>similarityRender('Main view focused'));similarityCore?.addEventListener('click',()=>similarityRender('Main view interaction occurred'));similarityRender('Ready to start review');
  </script>
</body>
</html>
Page feedbackFound an issue or have suggestions for improvement?
Feedback features need to be used in the online version

Please enable JavaScript in the online version before submitting; local features of the current tool or example are not affected.

Go to the online version for feedback