Device Lab Viewport Inspector Panel
Complete the viewport information panel in a device lab scenario: includes real content, interactive controls, clear status feedback, and responsive layouts across sizes.
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<title>Device Lab Viewport Inspector Panel</title>
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<header class="mast"><div><span class="eyebrow">terminal / viewport information panel / INTERMEDIATE</span><h1>Device Lab Viewport Inspector Panel</h1><p class="intro">Complete the viewport information panel in a device lab scenario: includes real content, interactive 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="Interactive area for the device lab viewport info panel"><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="18"><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-viewport-inspector --><div class="viewport-lab"><header><span class="eyebrow">VIEWPORT RULER</span><h2>Device Lab Viewport Measurement Console</h2><output id="viewportReading">—</output><button id="viewportCapture" class="action primary" type="button" data-core-bridge="browser-media-device-viewport-inspector">Record current size</button></header><section class="viewport-board" aria-label="Viewport Size Diagram"><i id="viewportWidthBar"></i><i id="viewportHeightBar"></i><dl><div><dt>Content Area</dt><dd id="viewportInner">—</dd></div><div><dt>Available screen area</dt><dd id="viewportScreen">—</dd></div><div><dt>Pixel density</dt><dd id="viewportDpr">—</dd></div><div><dt>Screen Orientation</dt><dd id="viewportOrientation">—</dd></div></dl></section><aside><h3>Size Snapshot</h3><ol id="viewportHistory"><li>Record the comparison after resizing the window</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-viewport-inspector */
const viewportHistory=[];const viewportReading=document.querySelector('#viewportReading');function measureViewport(){const width=innerWidth;const height=innerHeight;const orientation=width>=height?'horizontal':'Portrait';viewportReading.textContent=width+' × '+height;document.querySelector('#viewportInner').textContent=document.documentElement.clientWidth+' × '+document.documentElement.clientHeight;document.querySelector('#viewportScreen').textContent=screen.availWidth+' × '+screen.availHeight;document.querySelector('#viewportDpr').textContent=(devicePixelRatio||1).toFixed(2)+' dppx';document.querySelector('#viewportOrientation').textContent=orientation;document.querySelector('#viewportWidthBar').style.width=Math.min(100,width/16)+'%';document.querySelector('#viewportHeightBar').style.height=Math.min(100,height/10)+'%';}function captureViewport(){viewportHistory.unshift({width:innerWidth,height:innerHeight,dpr:devicePixelRatio||1,at:new Date()});viewportHistory.splice(5);document.querySelector('#viewportHistory').replaceChildren(...viewportHistory.map(entry=>{const item=document.createElement('li');item.textContent=entry.width+' × '+entry.height+' · '+entry.dpr.toFixed(1)+'x';return item;}));announce('Recorded # '+viewportHistory.length+' viewport snapshots');}addEventListener('resize',measureViewport,{passive:true});document.querySelector('#viewportCapture').addEventListener('click',captureViewport);measureViewport();
/* 11DZ_CORE_SCRIPT_END */
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workflowBridgeReset();
</script>
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