Mini Apps and Mini Games

Family Night Focus Timer

Complete a focus timer for a family night scenario: includes realistic content, actionable controls, clear status feedback, and responsive layouts.

Mini Apps and Mini GamesFocus TimerHTMLCSSJavaScript
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<head>
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  <title>Family Night Focus Timer</title>
  <style>
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  </style>
</head>
<body data-aesthetic="editorial" data-composition="split-note">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">editorial / Focus Timer / BEGINNER</span><h1>Family Night Focus Timer</h1><p class="intro">Complete a focus timer for a family night scenario: includes realistic content, actionable controls, clear status feedback, and responsive layouts.</p></div><span class="scenario">Family Night</span></header>
    <div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>Master the semantic structure, responsive composition, keyboard interactions, and state synchronization of the focus timer.</span></aside><section class="demo" aria-label="Family Night focus timer interaction area"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">Family Night DISPATCH</span><h2>Family Turn Scheduler</h2><form id="workflowDispatchForm"><label>Task Type<select id="workflowDispatchKind"><option>Elders’ Turn</option><option>Family Round</option><option>Family Round</option></select></label><label>Number of Participants<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="27"><span>person</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 Game</button></form><label>Current task<select id="workflowDispatchActive" aria-label="Switch current task"><option value="1">Elders’ Turn</option><option value="2">Family Round</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:mini-apps-games-focus-timer --><div class="mini timer"><span class="eyebrow">FOCUS TIMER</span><output id="timerValue">05:00</output><div id="timerProgress" class="meter" role="progressbar" aria-label="Remaining Time Ratio" aria-valuemin="0" aria-valuemax="100" aria-valuenow="100"><i id="timerMeter"></i></div><div class="row"><button id="timerToggle" class="action primary" type="button" data-core-bridge="mini-apps-games-focus-timer">Start</button><button id="timerReset" class="action" type="button">Reset</button></div></div><!-- 11DZ_CORE_END --></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:mini-apps-games-focus-timer */
const initialSeconds=300;let remaining=initialSeconds;let timer=null;const value=document.querySelector('#timerValue');const toggle=document.querySelector('#timerToggle');function render(){const percent=Math.round(remaining/initialSeconds*100);value.textContent=String(Math.floor(remaining/60)).padStart(2,'0')+':'+String(remaining%60).padStart(2,'0');document.querySelector('#timerMeter').style.width=percent+'%';document.querySelector('#timerProgress').setAttribute('aria-valuenow',String(percent));}toggle.addEventListener('click',()=>{if(timer){clearInterval(timer);timer=null;toggle.textContent='Continue';announce('Timer paused');return;}toggle.textContent='Pause';timer=setInterval(()=>{remaining=Math.max(0,remaining-1);render();if(!remaining){clearInterval(timer);timer=null;toggle.textContent='Completed';announce('Focus Time Complete');}},1000);announce('Timer started');});document.querySelector('#timerReset').addEventListener('click',()=>{clearInterval(timer);timer=null;remaining=initialSeconds;toggle.textContent='Start';render();announce('Timer reset');});render();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"mini-apps-games-focus-timer","selector":"[data-core-bridge=\"mini-apps-games-focus-timer\"]","mode":"click","key":"Enter"};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("click",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();workflowBridgeControl.click();const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowDispatchCore=document.querySelector('#workflowCore');const workflowDispatchForm=document.querySelector('#workflowDispatchForm');const workflowDispatchSelect=document.querySelector('#workflowDispatchActive');const workflowDispatchJobs=new Map([["1",{"label":"Elders’ Turn","amount":12,"priority":"normal","touches":0}],["2",{"label":"Family Round","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+' person · '+bridge.summary;announce('Family round current task:'+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+' person · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
  </script>
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