Basic Controls and Selectors

Music Studio Range Mixer

Complete a range control in a music studio scene: includes realistic content, interactive controls, clear status feedback, and responsive layouts across sizes.

Basic Controls and SelectorsRange SliderHTMLCSSJavaScript
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>Music Studio Range Mixer</title>
  <style>
    :root { --ink:#ecf7f3; --paper:#071310; --accent:#c66a2d; --secondary:#b5c88d; --line:color-mix(in srgb, var(--ink) 18%, transparent); --shadow:0 24px 60px color-mix(in srgb, var(--ink) 16%, transparent); color-scheme:light; }
    * { box-sizing:border-box; }
    html { min-width:320px; background:var(--paper); }
    body { min-height:100vh; margin:0; overflow-x:hidden; color:var(--ink); font-family:"Trebuchet MS","PingFang SC",sans-serif; background:radial-gradient(circle at 20% 10%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 35%),radial-gradient(circle at 85% 90%,color-mix(in srgb,var(--secondary) 20%,transparent),transparent 38%),var(--paper); }
    button,input,select,textarea { color:inherit; font:inherit; }
    button,[role="button"],input,select,textarea { accent-color:var(--accent); }
    button { cursor:pointer; }
    button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
    [hidden] { display:none !important; }
    @media (max-width:700px) { .mast h1 { line-height:1.08 !important; letter-spacing:-.035em !important; overflow-wrap:anywhere; } }
    @media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
    .page{width:min(1160px,calc(100% - 30px));margin:auto;padding:60px 0}.mast{display:flex;justify-content:space-between;border-left:4px solid var(--accent);padding-left:22px;gap:28px;align-items:center;margin-bottom:34px}.mast h1{font-family:"Trebuchet MS","PingFang SC",sans-serif;font-weight:900;font-size:clamp(42px,9vw,94px);text-shadow:0 0 28px color-mix(in srgb,var(--accent) 55%,transparent);margin:0;line-height:.92}.eyebrow{display:block;margin-bottom:14px;color:var(--accent);font:900 11px/1 ui-monospace,monospace;letter-spacing:.2em}.intro{max-width:680px;color:color-mix(in srgb,var(--ink) 68%,transparent);line-height:1.7}.scenario{padding:10px 16px;border:1px solid var(--secondary);border-radius:4px;box-shadow:0 0 20px color-mix(in srgb,var(--secondary) 30%,transparent)}.demo{border-color:color-mix(in srgb,var(--accent) 55%,transparent);border-radius:24px;box-shadow:inset 0 0 40px color-mix(in srgb,var(--accent) 8%,transparent),0 0 60px color-mix(in srgb,var(--secondary) 12%,transparent);position:relative;min-height:410px;overflow:hidden;padding:clamp(24px,4vw,50px);background:color-mix(in srgb,var(--paper) 86%,transparent)}@media(max-width:700px){.mast{display:grid}.page{padding:22px 0}.demo{padding:16px}}
    .panel{padding:18px;border:2px solid var(--line);border-radius:26px;box-shadow:0 12px 0 color-mix(in srgb,var(--secondary) 35%,transparent)}.row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.stack{display:grid;gap:12px}.action{padding:12px 20px;border:2px solid var(--ink);border-radius:14px;background:var(--paper);box-shadow:0 5px 0 var(--ink);font-weight:800}.action:active{transform:translateY(4px);box-shadow:0 1px 0 var(--ink)}.action.primary,.action.is-active{color:var(--paper);background:var(--accent)}.status{text-align:center;min-height:26px;margin-top:18px}.metric{text-align:center;font-size:clamp(34px,8vw,70px);font-weight:900}.muted{text-align:center;opacity:.7}.meter{height:14px;padding:2px;border:2px solid var(--ink);border-radius:999px}.meter>i{display:block;height:100%;border-radius:inherit;background:var(--secondary)}.chip{padding:7px 11px;border-radius:12px;background:color-mix(in srgb,var(--accent) 12%,transparent)}
    .composition-gallery{margin:0;padding:clamp(8px,2vw,18px);border:1px solid var(--ink);background:color-mix(in srgb,var(--paper) 78%,transparent)}.gallery-caption{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:15px 4px 2px;font-size:12px}.gallery-caption::before,.gallery-caption::after{content:"";height:1px;background:var(--line)}.gallery-caption strong{font:800 11px/1.2 ui-monospace,monospace;letter-spacing:.16em;text-transform:uppercase}.composition-gallery .demo{box-shadow:none}.composition-gallery .demo::before{content:"";position:absolute;inset:10px;border:1px dashed color-mix(in srgb,var(--accent) 36%,transparent);pointer-events:none}
    .range-mixer-demo{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,.75fr);gap:20px}.mixer-console{display:grid;gap:19px;padding:clamp(22px,4vw,42px);border:1px solid var(--line);background:var(--paper)}.mixer-console h2{margin:0;font-size:clamp(28px,5vw,52px)}.mixer-console label{display:grid;gap:9px}.mixer-console label>span{display:flex;justify-content:space-between;font-weight:800}.mixer-console input{width:100%}.mixer-preview{--level:55;display:grid;place-content:center;justify-items:center;gap:14px;min-height:360px;padding:24px;border-radius:32px;background:linear-gradient(145deg,color-mix(in srgb,var(--secondary) calc(var(--level)*1%),var(--paper)),var(--ink));color:var(--paper);text-align:center}.mixer-disc{width:clamp(120px,20vw,210px);aspect-ratio:1;border:18px solid color-mix(in srgb,var(--paper) 28%,transparent);border-radius:50%;background:conic-gradient(var(--accent) calc(var(--level)*1%),transparent 0);box-shadow:inset 0 0 0 24px var(--ink)}.mixer-preview strong{font-size:clamp(28px,5vw,48px)}@media(max-width:700px){.range-mixer-demo{grid-template-columns:1fr}.mixer-preview{min-height:270px}}.workflow-guide{display:grid;grid-template-columns:190px minmax(0,1fr);grid-template-areas:"rail core" "rail evidence";gap:14px 18px}.guide-rail{grid-area:rail;display:grid;align-content:start;gap:15px;padding:18px;border-right:1px solid var(--line)}.guide-rail ol{display:grid;gap:8px;padding:0;margin:0;list-style:none}.guide-rail li{display:grid;grid-template-columns:30px 1fr;gap:8px;align-items:center;padding:9px;opacity:.5}.guide-rail li[aria-current="step"]{opacity:1;color:var(--paper);background:var(--ink)}.guide-rail li.is-complete{opacity:1;color:var(--accent)}.guide-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}.guide-actions .action{padding-inline:8px}#workflowGuideProgress{height:6px;background:var(--line)}#workflowGuideProgress i{display:block;width:0;height:100%;background:var(--accent)}.guide-core{grid-area:core;min-width:0;padding:16px;border:1px solid var(--line)}.guide-core>p{margin:0 0 14px;padding:10px;border-left:4px solid var(--accent);background:color-mix(in srgb,var(--secondary) 12%,transparent)}.guide-core[data-guide-step="1"]{border-radius:28px}.guide-core[data-guide-step="2"]{box-shadow:inset 0 0 0 4px color-mix(in srgb,var(--accent) 35%,transparent)}.guide-evidence{grid-area:evidence;display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:start}.guide-evidence details,.guide-evidence form{padding:12px;border:1px solid var(--line)}.guide-evidence label{display:grid;gap:7px}.guide-evidence textarea{width:100%;padding:9px;border:1px solid var(--line);background:var(--paper)}@media(max-width:900px){.workflow-guide{grid-template-columns:1fr;grid-template-areas:"core" "rail" "evidence"}.guide-rail{border-right:0;border-bottom:1px solid var(--line)}.guide-rail ol{grid-template-columns:repeat(3,1fr)}.guide-evidence{grid-template-columns:1fr}}
  </style>
</head>
<body data-aesthetic="dark-neon" data-composition="gallery-frame">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">dark-neon / Range Slider / INTERMEDIATE</span><h1>Music Studio Range Mixer</h1><p class="intro">Complete a range control in a music studio scene: includes realistic content, interactive controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Music Studio</span></header>
    <figure class="composition-gallery"><section class="demo" aria-label="Music Studio range slider interactive area"><div class="workflow-guide"><nav class="guide-rail" aria-label="Recording Engineering Guide"><span class="eyebrow">Music Studio GUIDE</span><ol><li data-workflow-guide-step="0" aria-current="step"><b>1</b><span>Vocal Track</span></li><li data-workflow-guide-step="1"><b>2</b><span>Rhythm Track</span></li><li data-workflow-guide-step="2"><b>3</b><span>Atmosphere Track</span></li></ol><div class="guide-actions"><button id="workflowGuideBack" class="action" type="button" disabled>Previous</button><button id="workflowGuideNext" class="action primary" type="button">Complete this step</button></div><div id="workflowGuideProgress" role="progressbar" aria-label="Recording Project Completion" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div></nav><section id="workflowCore" class="workflow-core guide-core" data-guide-step="0" aria-describedby="workflowGuideInstruction"><p id="workflowGuideInstruction">Please complete the actions related to the ‘vocal track’ in the main example.</p><!-- 11DZ_CORE_START:controls-selectors-range-mixer --><section class="range-mixer-demo"><div class="mixer-console"><span class="eyebrow">RANGE MIXER</span><h2>Music Studio Mixer</h2><label><span>Rhythm<output id="mixerValue0">42%</output></span><input type="range" min="0" max="100" value="42" data-mixer-range="0" aria-label="Rhythm" data-core-bridge="controls-selectors-range-mixer"></label><label><span>Light and Dark<output id="mixerValue1">68%</output></span><input type="range" min="0" max="100" value="68" data-mixer-range="1" aria-label="Light and Dark"></label><label><span>Layers<output id="mixerValue2">54%</output></span><input type="range" min="0" max="100" value="54" data-mixer-range="2" aria-label="Layers"></label><button id="mixerReset" class="action" type="button">Restore balance</button></div><div id="mixerPreview" class="mixer-preview" aria-live="polite"><div class="mixer-disc"></div><strong id="mixerScore">Integrated 55%</strong><p>Music Studio Log</p></div></section><!-- 11DZ_CORE_END --></section><aside class="guide-evidence"><details id="workflowGuideDetails"><summary>View acceptance requirements</summary><ul><li>The vocal track requires a visible state change at least once</li><li>The rhythm track needs a visible state change at once</li><li>The ambient track needs one visible state change</li></ul></details><form id="workflowGuideEvidenceForm"><label>This step evidence<textarea id="workflowGuideEvidence" rows="3" placeholder="Record the observed state"></textarea></label><input class="action" type="submit" value="Save evidence"></form><output id="workflowGuideSummary">0 / 3 Steps Complete</output></aside></div><p id="status" class="status" role="status" aria-live="polite"></p></section><figcaption class="gallery-caption"><strong>Music Studio / GALLERY 03</strong></figcaption></figure>
  </main>
  <script>
    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:controls-selectors-range-mixer */
const mixerRanges=[...document.querySelectorAll('[data-mixer-range]')];const mixerDefaults=[42,68,54];function renderMixer(){let total=0;mixerRanges.forEach((input,index)=>{total+=Number(input.value);document.querySelector('#mixerValue'+index).textContent=input.value+'%';});const score=Math.round(total/mixerRanges.length);document.querySelector('#mixerPreview').style.setProperty('--level',score);document.querySelector('#mixerScore').textContent='Integrated '+score+'%';announce('Mixed results '+score+'%');}mixerRanges.forEach(input=>input.addEventListener('input',renderMixer));document.querySelector('#mixerReset').addEventListener('click',()=>{mixerRanges.forEach((input,index)=>{input.value=mixerDefaults[index];});renderMixer();});renderMixer();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"controls-selectors-range-mixer","selector":"[data-core-bridge=\"controls-selectors-range-mixer\"]","mode":"range","key":"ArrowRight"};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("input",workflowBridgeScheduleCommit);workflowBridgeControl.addEventListener('change',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();const step=Number(workflowBridgeControl.step)||1;const min=workflowBridgeControl.min===''?-Infinity:Number(workflowBridgeControl.min);const max=workflowBridgeControl.max===''?Infinity:Number(workflowBridgeControl.max);let next=Math.min(max,Math.max(min,(Number(workflowBridgeControl.value)||0)+step));if(next===Number(workflowBridgeControl.value))next=Math.max(min,Number(workflowBridgeControl.value)-step);workflowBridgeControl.value=String(next);workflowBridgeControl.dispatchEvent(new Event('input',{bubbles:true}));workflowBridgeControl.dispatchEvent(new Event('change',{bubbles:true}));const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowGuideCore=document.querySelector('#workflowCore');const workflowGuideStages=["Vocal Track","Rhythm Track","Atmosphere Track"];const workflowGuideState={step:0,completed:new Set(),evidence:new Map(),consumedVersion:0};function workflowGuideDrive(){const step=workflowGuideState.step;workflowGuideCore.dataset.guideStep=String(step);document.querySelector('#workflowGuideInstruction').textContent='Please complete the main example ‘'+workflowGuideStages[step]+'Related actions.”';document.querySelectorAll('[data-workflow-guide-step]').forEach((item,index)=>{item.classList.toggle('is-complete',workflowGuideState.completed.has(index));if(index===step)item.setAttribute('aria-current','step');else item.removeAttribute('aria-current');});document.querySelector('#workflowGuideBack').disabled=step===0;document.querySelector('#workflowGuideNext').textContent=step===workflowGuideStages.length-1?'Record Version':'Complete this step';const percent=Math.round(workflowGuideState.completed.size/workflowGuideStages.length*100);const progress=document.querySelector('#workflowGuideProgress');progress.setAttribute('aria-valuenow',String(percent));progress.querySelector('i').style.width=percent+'%';document.querySelector('#workflowGuideSummary').textContent=workflowGuideState.completed.size+' / '+workflowGuideStages.length+' Step complete · '+workflowBridgeSummary();announce('Current recording session step:'+workflowGuideStages[step]);}function workflowGuideAdvance(direction){if(direction>0){const bridge=workflowBridgeActivate();const version=Number(workflowGuideCore.dataset.workflowVersion||0);if(version<=workflowGuideState.consumedVersion){announce('Please complete the visible state change in the main example first');return;}workflowGuideState.consumedVersion=version;workflowGuideState.completed.add(workflowGuideState.step);announce('Main case changes recorded · '+bridge.summary);}workflowGuideState.step=Math.max(0,Math.min(workflowGuideStages.length-1,workflowGuideState.step+direction));workflowGuideDrive();}document.querySelector('#workflowGuideBack').addEventListener('click',()=>workflowGuideAdvance(-1));document.querySelector('#workflowGuideNext').addEventListener('click',()=>workflowGuideAdvance(1));document.querySelector('#workflowGuideEvidenceForm').addEventListener('submit',event=>{event.preventDefault();const version=Number(workflowGuideCore.dataset.workflowVersion||0);if(version<=workflowGuideState.consumedVersion){announce('Evidence not saved: the main example has no new changes yet');return;}const text=document.querySelector('#workflowGuideEvidence').value.trim();workflowGuideState.evidence.set(workflowGuideState.step,text||'Visible status check completed');workflowGuideState.completed.add(workflowGuideState.step);workflowGuideState.consumedVersion=version;workflowGuideDrive();announce('Evidence for this step has been saved · '+workflowBridgeSummary());});document.querySelector('#workflowGuideDetails').addEventListener('toggle',event=>announce(event.currentTarget.open?'Acceptance requirements expanded':'Acceptance requirements collapsed'));workflowGuideDrive();
workflowBridgeReset();
  </script>
</body>
</html>
Page feedbackFound an issue or have suggestions for improvement?
Feedback features need to be used in the online version

Please enable JavaScript in the online version before submitting; local features of the current tool or example are not affected.

Go to the online version for feedback