Device Lab Network Status Indicator
Complete the network status indicator in the Device Lab scenario: includes realistic content, actionable controls, clear status feedback, and responsive layouts across sizes.
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<header class="mast"><div><span class="eyebrow">paper / network status indicator / INTERMEDIATE</span><h1>Device Lab Network Status Indicator</h1><p class="intro">Complete the network status indicator in the Device Lab scenario: includes realistic content, actionable controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Device Lab</span></header>
<figure class="composition-gallery"><section class="demo" aria-label="Device Lab Network Status Indicator Interactive Area"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">Device Lab DISPATCH</span><h2>Device check dashboard</h2><form id="workflowDispatchForm"><label>Task Type<select id="workflowDispatchKind"><option>Screen Capability</option><option>Input capability</option><option>Storage Capability</option></select></label><label>Check Items<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="33"><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">Start checking</button></form><label>Current task<select id="workflowDispatchActive" aria-label="Switch current task"><option value="1">Screen Capability</option><option value="2">Input capability</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:browser-media-device-network-state --><div class="network-console"><header><span class="eyebrow">NETWORK EVENTS</span><h2>Device Lab connection status panel</h2><div id="networkLamp" aria-hidden="true"></div><output id="networkStatus">Checking</output></header><section><dl><div><dt>Browser Detection</dt><dd id="networkNative">—</dd></div><div><dt>Connection Type</dt><dd id="networkType">Private</dd></div><div><dt>Data saver</dt><dd id="networkSaveData">Private</dd></div></dl><label><input id="networkDrill" type="checkbox" data-core-bridge="browser-media-device-network-state">Launch Offline Drill View</label><button id="networkCheckpoint" class="action primary" type="button">Status checkpoint log</button></section><aside><h3>Event timeline</h3><ol id="networkTimeline"><li>Wait for online / offline events</li></ol></aside></div><!-- 11DZ_CORE_END --></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section><figcaption class="gallery-caption"><strong>Device Lab / GALLERY 03</strong></figcaption></figure>
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<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:browser-media-device-network-state */
const networkEvents=[];const networkConnection=navigator.connection||navigator.mozConnection||navigator.webkitConnection;function networkSnapshot(source){const drilled=document.querySelector('#networkDrill').checked;const online=navigator.onLine&&!drilled;document.querySelector('#networkLamp').classList.toggle('is-online',online);document.querySelector('#networkStatus').textContent=online?'Connection available':drilled?'Offline practice':'Connection interrupted';document.querySelector('#networkNative').textContent=navigator.onLine?'online':'offline';document.querySelector('#networkType').textContent=networkConnection?.effectiveType||'Browser Not Public';document.querySelector('#networkSaveData').textContent=networkConnection?.saveData?'Enabled':'Disabled or unknown';if(source){networkEvents.unshift({source,state:online?'Online':'Offline',time:new Date()});networkEvents.splice(6);document.querySelector('#networkTimeline').replaceChildren(...networkEvents.map(entry=>{const item=document.createElement('li');item.textContent=entry.time.toLocaleTimeString()+' · '+entry.source+' · '+entry.state;return item;}));announce('Network status recorded:'+(online?'Online':'Offline'));}}addEventListener('online',()=>networkSnapshot('online event'));addEventListener('offline',()=>networkSnapshot('offline event'));networkConnection?.addEventListener?.('change',()=>networkSnapshot('Connection parameter changes'));document.querySelector('#networkDrill').addEventListener('change',()=>networkSnapshot('Practice Switch'));document.querySelector('#networkCheckpoint').addEventListener('click',()=>networkSnapshot('Manual checkpoint'));networkSnapshot();
/* 11DZ_CORE_SCRIPT_END */
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const workflowDispatchCore=document.querySelector('#workflowCore');const workflowDispatchForm=document.querySelector('#workflowDispatchForm');const workflowDispatchSelect=document.querySelector('#workflowDispatchActive');const workflowDispatchJobs=new Map([["1",{"label":"Screen Capability","amount":12,"priority":"normal","touches":0}],["2",{"label":"Input capability","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 on the device check:'+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();
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