Capacités des médias et des appareils du navigateur

Enregistrement de visibilité de la page du laboratoire d’appareils

Terminez un enregistrement de visibilité de page dans le contexte du laboratoire d’appareils : contenu réel, contrôles actionnables, retours d’état clairs et disposition adaptée à plusieurs tailles.

Capacités des médias et des appareils du navigateurVisibilité de la page enregistréeHTMLCSSBrowser API
Après activation de JavaScript, ce cas peut être modifié, exécuté et enregistré. Code source fixe ci-dessous :
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  <title>Enregistrement de visibilité de la page du laboratoire d’appareils</title>
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<body data-aesthetic="organic" data-composition="field-index">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">organic / journal de visibilité de page / INTERMEDIATE</span><h1>Enregistrement de visibilité de la page du laboratoire d’appareils</h1><p class="intro">Terminez un enregistrement de visibilité de page dans le contexte du laboratoire d’appareils : contenu réel, contrôles actionnables, retours d’état clairs et disposition adaptée à plusieurs tailles. </p></div><span class="scenario">Laboratoire d’appareils</span></header>
    <div class="composition-index"><section class="demo" aria-label="zone d’interaction des journaux de visibilité de la page du laboratoire des appareils"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">Laboratoire d’appareils DISPATCH</span><h2>Console de contrôle des appareils</h2><form id="workflowDispatchForm"><label>Type de tâche<select id="workflowDispatchKind"><option>capacité de l’écran</option><option>Capacité de saisie</option><option>Capacité de stockage</option></select></label><label>éléments à vérifier<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="36"><span>élément</span></label><fieldset><legend>Priorité de traitement</legend><label><input type="radio" name="workflowPriority" value="normal" checked>Standard</label><label><input type="radio" name="workflowPriority" value="urgent">Urgent</label></fieldset><button class="action primary" type="submit">Commencer la vérification</button></form><label>Tâche en cours<select id="workflowDispatchActive" aria-label="Basculer la tâche en cours"><option value="1">capacité de l’écran</option><option value="2">Capacité de saisie</option></select></label><output id="workflowDispatchSummary">En attente de planification</output></aside><section id="workflowCore" class="workflow-core dispatch-workbench" data-dispatch-priority="normal"><!-- 11DZ_CORE_START:browser-media-device-page-visibility --><div class="visibility-journal"><header><span class="eyebrow">VISIBILITY JOURNAL</span><h2>Journal de visibilité du laboratoire de l’appareil</h2><output id="visibilityClock">00:00</output><p id="visibilityState">État de la page en cours de surveillance</p></header><section><div id="visibilityMeter" role="progressbar" aria-label="Temps de visibilité de cette fois" aria-valuemin="0" aria-valuemax="60" aria-valuenow="0"><i></i></div><dl><div><dt>Nombre de secondes visibles</dt><dd id="visibilitySeconds">0</dd></div><div><dt>Nombre de fois masquées</dt><dd id="visibilityHiddenCount">0</dd></div><div><dt>État actuel</dt><dd id="visibilityNative">visible</dd></div></dl><button id="visibilityPause" class="action primary" type="button" data-core-bridge="browser-media-device-page-visibility">Suspendre l’observation</button><button id="visibilityReset" class="action" type="button">Réinitialiser le journal</button></section><aside><h3>Changement d’état</h3><ul id="visibilityEvents"><li>Observation commencée</li></ul></aside></div><!-- 11DZ_CORE_END --></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>Laboratoire d’appareils FIELD INDEX</span></aside></div>
  </main>
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    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:browser-media-device-page-visibility */
const visibilityData={seconds:0,hidden:0,paused:false,events:[]};function formatVisibleTime(value){return String(Math.floor(value/60)).padStart(2,'0')+':'+String(value%60).padStart(2,'0');}function renderVisibility(){document.querySelector('#visibilityClock').textContent=formatVisibleTime(visibilityData.seconds);document.querySelector('#visibilitySeconds').textContent=String(visibilityData.seconds);document.querySelector('#visibilityHiddenCount').textContent=String(visibilityData.hidden);document.querySelector('#visibilityNative').textContent=document.visibilityState;document.querySelector('#visibilityState').textContent=visibilityData.paused?'L’observation est en pause':document.hidden?'La page est actuellement masquée':'La page est actuellement visible';const meter=document.querySelector('#visibilityMeter');meter.setAttribute('aria-valuenow',String(Math.min(60,visibilityData.seconds)));meter.querySelector('i').style.width=Math.min(100,visibilityData.seconds/60*100)+'%';document.querySelector('#visibilityEvents').replaceChildren(...visibilityData.events.slice(0,6).map(entry=>{const item=document.createElement('li');item.textContent=entry;return item;}));}function logVisibility(label){visibilityData.events.unshift(new Date().toLocaleTimeString()+' · '+label);renderVisibility();}document.addEventListener('visibilitychange',()=>{if(document.hidden)visibilityData.hidden+=1;logVisibility(document.visibilityState);announce('L’état de la page devient '+document.visibilityState);});setInterval(()=>{if(!visibilityData.paused&&!document.hidden){visibilityData.seconds+=1;renderVisibility();}},1000);document.querySelector('#visibilityPause').addEventListener('click',event=>{visibilityData.paused=!visibilityData.paused;event.currentTarget.textContent=visibilityData.paused?'Continuer l’observation':'Suspendre l’observation';logVisibility(visibilityData.paused?'Pause manuelle':'Continuer l’observation');});document.querySelector('#visibilityReset').addEventListener('click',()=>{visibilityData.seconds=0;visibilityData.hidden=0;visibilityData.events=[];logVisibility('Journal réinitialisé');announce('Le journal de visibilité a été réinitialisé');});logVisibility('Observation commencée');
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const workflowBridgeSpec={"name":"browser-media-device-page-visibility","selector":"[data-core-bridge=\"browser-media-device-page-visibility\"]","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+' · Version de base '+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":"capacité de l’écran","amount":12,"priority":"normal","touches":0}],["2",{"label":"Capacité de saisie","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+' élément · '+bridge.summary;announce('Tâche actuelle de vérification de l’appareil :'+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+' élément · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
  </script>
</body>
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