Floating layers and status feedback
Document Review Help Popover

Complete a help popover for a document review scenario: includes real content, interactive controls, clear status feedback, and responsive layout 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>Document Review Help Popover</title>
  <style>
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  </style>
</head>
<body data-aesthetic="editorial" data-composition="studio">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">editorial / help overlay / INTERMEDIATE</span><h1>Document Review Help Popover</h1><p class="intro">Complete a help popover for a document review scenario: includes real content, interactive controls, clear status feedback, and responsive layout across sizes.</p></div><span class="scenario">Document Review</span></header>
    <div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Document Review Help Popover Interaction Area"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">Document Review DISPATCH</span><h2>Review Queue Control Center</h2><form id="workflowDispatchForm"><label>Task Type<select id="workflowDispatchKind"><option>Text Editing</option><option>Structural Suggestions</option><option>Publish Confirmation</option></select></label><label>Pending reviews<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="27"><span>item</span></label><fieldset><legend>Processing priority</legend><label><input type="radio" name="workflowPriority" value="normal" checked>Regular</label><label><input type="radio" name="workflowPriority" value="urgent">Urgent</label></fieldset><button class="action primary" type="submit">Submit for Review</button></form><label>Current task<select id="workflowDispatchActive" aria-label="Switch current task"><option value="1">Text Editing</option><option value="2">Structural Suggestions</option></select></label><output id="workflowDispatchSummary">Waiting for Dispatch</output></aside><section id="workflowCore" class="workflow-core dispatch-workbench" data-dispatch-priority="normal"><!-- 11DZ_CORE_START:overlays-feedback-help-popover --><section class="help-popover-demo"><div class="help-document"><span class="eyebrow">HELP POPOVER</span><h2>Document Review Settings Guide</h2><p>Help content opens in place from the trigger button without interrupting the current task.</p><div class="help-setting"><div><strong>Document Review 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 document review 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>Document Review 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></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
  </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 workflowDispatchCore=document.querySelector('#workflowCore');const workflowDispatchForm=document.querySelector('#workflowDispatchForm');const workflowDispatchSelect=document.querySelector('#workflowDispatchActive');const workflowDispatchJobs=new Map([["1",{"label":"Text Editing","amount":12,"priority":"normal","touches":0}],["2",{"label":"Structural Suggestions","amount":21,"priority":"urgent","touches":0}]]);let workflowDispatchSerial=workflowDispatchJobs.size;function workflowDispatchDrive(job,activate=false){workflowDispatchCore.dataset.dispatchPriority=job.priority;workflowDispatchCore.style.setProperty('--dispatch-load',Math.min(.95,.16+job.amount/120));const bridge=activate?workflowBridgeActivate():{changed:false,summary:workflowBridgeSummary()};document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' item · '+bridge.summary;announce('Current task in the review queue:'+job.label);}function workflowDispatchRender(activeId,activate=false){workflowDispatchSelect.replaceChildren(...[...workflowDispatchJobs].map(([id,job])=>{const option=document.createElement('option');option.value=id;option.textContent=job.label+(job.priority==='urgent'?' · Urgent':'');return option;}));workflowDispatchSelect.value=activeId;workflowDispatchDrive(workflowDispatchJobs.get(activeId),activate);}workflowDispatchForm.addEventListener('submit',event=>{event.preventDefault();const data=new FormData(workflowDispatchForm);const id=String(++workflowDispatchSerial);workflowDispatchJobs.set(id,{label:document.querySelector('#workflowDispatchKind').value,amount:Math.max(1,Number(document.querySelector('#workflowDispatchAmount').value)||1),priority:data.get('workflowPriority'),touches:0});workflowDispatchRender(id,true);});workflowDispatchSelect.addEventListener('change',()=>workflowDispatchDrive(workflowDispatchJobs.get(workflowDispatchSelect.value),true));workflowDispatchCore.addEventListener('focusin',()=>{const job=workflowDispatchJobs.get(workflowDispatchSelect.value);if(!job)return;job.touches+=1;document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' item · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
  </script>
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