Controles y selectores básicos

Control deslizante de rango para modo lectura

Completa un ajustador de rango en el contexto del modo de lectura: incluye contenido real, controles operables, feedback de estado claro y diseño adaptable a distintos tamaños.

Controles y selectores básicosajustador de rangoHTMLCSSJavaScript
Tras activar JavaScript, puedes editar, ejecutar y guardar este ejemplo. El código fuente fijado es el siguiente:
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  <title>Control deslizante de rango para modo lectura</title>
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<body data-aesthetic="industrial" data-composition="studio">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">industrial / control deslizante de rango / INTERMEDIATE</span><h1>Control deslizante de rango para modo lectura</h1><p class="intro">Completa un ajustador de rango en el contexto del modo de lectura: incluye contenido real, controles operables, feedback de estado claro y diseño adaptable a distintos tamaños.</p></div><span class="scenario">Modo de lectura</span></header>
    <div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Área interactiva del control de rango del modo lectura"><div class="workflow-session"><header class="session-command"><div><span class="eyebrow">modo de lectura SESSION</span><h2>Mesa de cronometraje del ritmo de lectura</h2></div><output id="workflowSessionClock">00:45</output><label>Duración de la ronda<input id="workflowSessionLength" type="range" min="15" max="90" step="15" value="45"><span>segundo</span></label><button id="workflowSessionToggle" class="action primary" type="button">Empezar a leer</button></header><div id="workflowSessionProgress" role="progressbar" aria-label="Progreso del ritmo de lectura" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div><section id="workflowCore" class="workflow-core session-stage" data-session-phase="ready" tabindex="-1"><!-- 11DZ_CORE_START:controls-selectors-range-mixer --><section class="range-mixer-demo"><div class="mixer-console"><span class="eyebrow">RANGE MIXER</span><h2>Consola de mezcla del modo de lectura</h2><label><span>ritmo<output id="mixerValue0">42%</output></span><input type="range" min="0" max="100" value="42" data-mixer-range="0" aria-label="ritmo" data-core-bridge="controls-selectors-range-mixer"></label><label><span>Claro/oscuro<output id="mixerValue1">68%</output></span><input type="range" min="0" max="100" value="68" data-mixer-range="1" aria-label="Claro/oscuro"></label><label><span>Capas<output id="mixerValue2">54%</output></span><input type="range" min="0" max="100" value="54" data-mixer-range="2" aria-label="Capas"></label><button id="mixerReset" class="action" type="button">Restablecer equilibrio</button></div><div id="mixerPreview" class="mixer-preview" aria-live="polite"><div class="mixer-disc"></div><strong id="mixerScore">Composición 55%</strong><p>Registro del modo de lectura</p></div></section><!-- 11DZ_CORE_END --></section><footer class="session-log"><strong id="workflowSessionScore">0 puntos de interacción</strong><ol id="workflowSessionLaps" aria-label="Registro de ronda"></ol></footer></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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    '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='General '+score+'%';announce('Resultado de la mezcla '+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+' · versión principal '+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 workflowSessionCore=document.querySelector('#workflowCore');const workflowSessionToggle=document.querySelector('#workflowSessionToggle');const workflowSessionLength=document.querySelector('#workflowSessionLength');const workflowSessionState={phase:'ready',elapsed:0,limit:Number(workflowSessionLength.value),checkpoints:[],timer:null};function workflowSessionFormat(seconds){return String(Math.floor(seconds/60)).padStart(2,'0')+':'+String(seconds%60).padStart(2,'0');}function workflowSessionDrive(){const percent=Math.min(100,Math.round(workflowSessionState.elapsed/workflowSessionState.limit*100));document.querySelector('#workflowSessionClock').textContent=workflowSessionFormat(Math.max(0,workflowSessionState.limit-workflowSessionState.elapsed));const progress=document.querySelector('#workflowSessionProgress');progress.setAttribute('aria-valuenow',String(percent));progress.querySelector('i').style.width=percent+'%';workflowSessionCore.dataset.sessionPhase=workflowSessionState.phase;document.querySelector('#workflowSessionScore').textContent=workflowSessionState.checkpoints.length+' puntos de control de interacción';}function workflowSessionLap(label){workflowSessionState.checkpoints.push({label,at:workflowSessionState.elapsed});const item=document.createElement('li');item.textContent=label+' · '+workflowSessionFormat(workflowSessionState.elapsed);document.querySelector('#workflowSessionLaps').append(item);workflowSessionDrive();}function workflowSessionStop(complete=false){clearInterval(workflowSessionState.timer);workflowSessionState.timer=null;workflowSessionState.phase=complete?'complete':'paused';workflowSessionToggle.textContent=complete?'Reiniciar':'Siguiente turno';workflowSessionToggle.setAttribute('aria-pressed','false');workflowSessionDrive();announce(complete?'Ronda de ritmo de lectura completada':'La ronda se ha pausado');}function workflowSessionStart(){if(workflowSessionState.phase==='complete'){workflowSessionState.elapsed=0;workflowSessionState.checkpoints=[];document.querySelector('#workflowSessionLaps').replaceChildren();}workflowSessionState.phase='running';workflowSessionToggle.textContent='Ronda en pausa';workflowSessionToggle.setAttribute('aria-pressed','true');const bridge=workflowBridgeActivate();workflowSessionLap(bridge.summary);clearInterval(workflowSessionState.timer);workflowSessionState.timer=setInterval(()=>{workflowSessionState.elapsed+=1;if(workflowSessionState.elapsed>=workflowSessionState.limit){workflowSessionStop(true);return;}workflowSessionDrive();},1000);workflowSessionDrive();announce('Ha comenzado la ronda de ritmo de lectura · '+bridge.summary);}workflowSessionToggle.addEventListener('click',()=>workflowSessionState.phase==='running'?workflowSessionStop():workflowSessionStart());workflowSessionLength.addEventListener('input',()=>{workflowSessionState.limit=Number(workflowSessionLength.value);workflowSessionState.elapsed=Math.min(workflowSessionState.elapsed,workflowSessionState.limit);workflowSessionDrive();});workflowSessionCore.addEventListener('keydown',event=>{if(event.key==='Enter'||event.key===' '){workflowSessionLap('operación con teclado');}});workflowSessionCore.addEventListener('click',event=>{if(event.target.closest('[data-core-bridge]'))workflowSessionLap('Operación principal · '+workflowBridgeSummary());});document.addEventListener('visibilitychange',()=>{if(document.hidden&&workflowSessionState.phase==='running')workflowSessionStop();});workflowSessionDrive();
workflowBridgeReset();
  </script>
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