Browser Media and Device Capabilities

Outpatient Sensor Pointer Capability Check

Complete pointer capability detection in the clinic sensor seat scenario: includes real content, interactive controls, clear status feedback, and responsive layouts.

Browser Media and Device CapabilitiesPointer Capability DetectionHTMLCSSBrowser API
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  <title>Outpatient Sensor Pointer Capability Check</title>
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    <header class="mast"><div><span class="eyebrow">magazine / Pointer Capability Check / BEGINNER</span><h1>Outpatient Sensor Pointer Capability Check</h1><p class="intro">Complete pointer capability detection in the clinic sensor seat scenario: includes real content, interactive controls, clear status feedback, and responsive layouts.</p></div><span class="scenario">Outpatient Sensor Seat</span></header>
    <div class="composition-deck"><div class="deck-bar"><span>CONTROL DECK · 04</span><span>Pointer Capability Detection</span><span class="deck-lights" aria-hidden="true"><i></i><i></i><i></i></span></div><section class="demo" aria-label="Outpatient Sensor Seat Pointer Capability Test Interaction Area"><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 · Outpatient Sensor Seat Permission Check</label><label><input type="radio" name="workflowChannel" value="B">B · Outpatient sensor seat capability record</label></fieldset><label>Inspection Item Weights<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">Capture and record capabilities</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Outpatient Sensor Seat COMPARE</span><h2>Dual-version comparison for clinic sensor seating</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:browser-media-device-pointer-profile --><div class="pointer-profiler"><header><span class="eyebrow">POINTER PROFILER</span><h2>Outpatient sensor seat pointer trail board</h2><dl><div><dt>Primary Pointer</dt><dd id="pointerPrimary">—</dd></div><div><dt>Hover capability</dt><dd id="pointerHover">—</dd></div><div><dt>Activity Touchpoints</dt><dd id="pointerActive">0</dd></div></dl></header><section id="pointerPad" tabindex="0" aria-label="Move the mouse, stylus, or finger to sample the pointer"><i id="pointerDot"></i><output id="pointerCoordinates">x 0 · y 0</output><p>Move the pointer within this area; keyboard users can use the arrow keys to move the sampling point.</p></section><aside><label>Track retention<input id="pointerTrailLength" type="range" min="3" max="20" value="8" data-core-bridge="browser-media-device-pointer-profile"><output>8</output></label><button id="pointerClear" class="action" type="button">Clear Trail</button><ol id="pointerSamples"></ol></aside></div><!-- 11DZ_CORE_END --></section></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:browser-media-device-pointer-profile */
const pointerPad=document.querySelector('#pointerPad');const pointerDot=document.querySelector('#pointerDot');const pointerSamples=[];const activePointers=new Map();let pointerPosition={x:50,y:50};function describePointers(){document.querySelector('#pointerPrimary').textContent=matchMedia('(pointer:fine)').matches?'Detailed':'Rough or none';document.querySelector('#pointerHover').textContent=matchMedia('(hover:hover)').matches?'Supported':'Unsupported';document.querySelector('#pointerActive').textContent=String(activePointers.size);}function samplePointer(type,pressure){const limit=Number(document.querySelector('#pointerTrailLength').value);pointerSamples.unshift({type,x:Math.round(pointerPosition.x),y:Math.round(pointerPosition.y),pressure:Math.round((pressure||0)*100)});pointerSamples.splice(limit);document.querySelector('#pointerSamples').replaceChildren(...pointerSamples.map(sample=>{const item=document.createElement('li');item.textContent=sample.type+' · '+sample.x+','+sample.y+' · '+sample.pressure+'%';return item;}));}function movePointer(clientX,clientY,type='keyboard',pressure=0){const rect=pointerPad.getBoundingClientRect();pointerPosition={x:Math.max(0,Math.min(100,(clientX-rect.left)/rect.width*100)),y:Math.max(0,Math.min(100,(clientY-rect.top)/rect.height*100))};pointerDot.style.left=pointerPosition.x+'%';pointerDot.style.top=pointerPosition.y+'%';document.querySelector('#pointerCoordinates').textContent='x '+Math.round(pointerPosition.x)+' · y '+Math.round(pointerPosition.y);samplePointer(type,pressure);}pointerPad.addEventListener('pointerdown',event=>{activePointers.set(event.pointerId,event.pointerType);pointerPad.setPointerCapture(event.pointerId);movePointer(event.clientX,event.clientY,event.pointerType,event.pressure);describePointers();});pointerPad.addEventListener('pointermove',event=>movePointer(event.clientX,event.clientY,event.pointerType,event.pressure));pointerPad.addEventListener('pointerup',event=>{activePointers.delete(event.pointerId);describePointers();});pointerPad.addEventListener('keydown',event=>{if(!['ArrowLeft','ArrowRight','ArrowUp','ArrowDown'].includes(event.key))return;event.preventDefault();const rect=pointerPad.getBoundingClientRect();const x=rect.left+rect.width*(pointerPosition.x+(event.key==='ArrowRight'?4:event.key==='ArrowLeft'?-4:0))/100;const y=rect.top+rect.height*(pointerPosition.y+(event.key==='ArrowDown'?4:event.key==='ArrowUp'?-4:0))/100;movePointer(x,y);});document.querySelector('#pointerTrailLength').addEventListener('input',event=>{event.currentTarget.nextElementSibling.textContent=event.currentTarget.value;});document.querySelector('#pointerClear').addEventListener('click',()=>{pointerSamples.length=0;document.querySelector('#pointerSamples').replaceChildren();announce('Pointer trail cleared');});describePointers();
/* 11DZ_CORE_SCRIPT_END */
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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('The clinic sensor seat 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 record capabilities · '+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();
  </script>
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