表单与输入
活动预约密码强度反馈

在活动预约场景中完成密码强度反馈：包含真实内容、可操作控件、清晰状态反馈和跨尺寸布局。
表单与输入密码强度反馈HTMLCSSJavaScript
启用 JavaScript 后可编辑、运行和保存此案例。固定源码如下：
<!doctype html>
<html lang="zh-Hans" dir="ltr">
<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>活动预约密码强度反馈</title>
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</head>
<body data-aesthetic="dark-neon" data-composition="gallery-frame">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">dark-neon / 密码强度反馈 / INTERMEDIATE</span><h1>活动预约密码强度反馈</h1><p class="intro">在活动预约场景中完成密码强度反馈：包含真实内容、可操作控件、清晰状态反馈和跨尺寸布局。</p></div><span class="scenario">活动预约</span></header>
    <figure class="composition-gallery"><section class="demo" aria-label="活动预约密码强度反馈交互区域"><div class="workflow-guide"><nav class="guide-rail" aria-label="活动席位引导"><span class="eyebrow">活动预约 GUIDE</span><ol><li data-workflow-guide-step="0" aria-current="step"><b>1</b><span>单人报名</span></li><li data-workflow-guide-step="1"><b>2</b><span>同行报名</span></li><li data-workflow-guide-step="2"><b>3</b><span>志愿协作</span></li></ol><div class="guide-actions"><button id="workflowGuideBack" class="action" type="button" disabled>上一步</button><button id="workflowGuideNext" class="action primary" type="button">完成本步</button></div><div id="workflowGuideProgress" role="progressbar" aria-label="活动席位完成度" 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">请在主案例中完成“单人报名”相关操作。</p><!-- 11DZ_CORE_START:forms-input-password-strength --><form id="passwordForm" class="password-lab panel"><span class="eyebrow">PASSWORD STRENGTH</span><h2>活动预约安全口令</h2><label>新密码 <span class="password-wrap"><input id="passwordInput" type="password" minlength="8" autocomplete="new-password" aria-describedby="passwordRules" required><button id="togglePassword" type="button" aria-pressed="false" data-core-bridge="forms-input-password-strength">显示</button></span></label><div id="passwordStrength" class="meter" role="progressbar" aria-label="密码强度" aria-valuemin="0" aria-valuemax="4" aria-valuenow="0"><i></i></div><ul id="passwordRules"><li data-rule="length">至少 8 个字符</li><li data-rule="case">同时包含大小写</li><li data-rule="number">至少一个数字</li><li data-rule="symbol">至少一个符号</li></ul><button class="action primary" type="submit">检查密码</button></form><!-- 11DZ_CORE_END --></section><aside class="guide-evidence"><details id="workflowGuideDetails"><summary>查看验收要求</summary><ul><li>单人报名需要一次可见状态变化</li><li>同行报名需要一次可见状态变化</li><li>志愿协作需要一次可见状态变化</li></ul></details><form id="workflowGuideEvidenceForm"><label>本步证据<textarea id="workflowGuideEvidence" rows="3" placeholder="记录观察到的状态"></textarea></label><input class="action" type="submit" value="保存证据"></form><output id="workflowGuideSummary">0 / 3 步完成</output></aside></div><p id="status" class="status" role="status" aria-live="polite"></p></section><figcaption class="gallery-caption"><strong>活动预约 / GALLERY 03</strong></figcaption></figure>
  </main>
  <script>
    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:forms-input-password-strength */
const passwordInput=document.querySelector('#passwordInput');const passwordMeter=document.querySelector('#passwordStrength');const passwordRules={length:value=>value.length>=8,case:value=>/[a-z]/.test(value)&&/[A-Z]/.test(value),number:value=>/\d/.test(value),symbol:value=>/[^a-z0-9]/i.test(value)};function scorePassword(){const value=passwordInput.value;let score=0;Object.entries(passwordRules).forEach(([name,test])=>{const met=test(value);document.querySelector('[data-rule="'+name+'"]').classList.toggle('is-met',met);if(met)score+=1;});passwordMeter.setAttribute('aria-valuenow',String(score));passwordMeter.querySelector('i').style.width=(score/4*100)+'%';announce('密码强度 '+score+' / 4');return score;}passwordInput.addEventListener('input',scorePassword);document.querySelector('#togglePassword').addEventListener('click',event=>{const visible=passwordInput.type==='text';passwordInput.type=visible?'password':'text';event.currentTarget.setAttribute('aria-pressed',String(!visible));event.currentTarget.textContent=visible?'显示':'隐藏';});document.querySelector('#passwordForm').addEventListener('submit',event=>{event.preventDefault();announce(scorePassword()===4?'密码通过本地强度检查':'请满足全部密码规则');});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"forms-input-password-strength","selector":"[data-core-bridge=\"forms-input-password-strength\"]","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+' · 核心版本 '+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 workflowGuideCore=document.querySelector('#workflowCore');const workflowGuideStages=["单人报名","同行报名","志愿协作"];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='请在主案例中完成“'+workflowGuideStages[step]+'”相关操作。';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?'保留席位':'完成本步';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+' 步完成 · '+workflowBridgeSummary();announce('活动席位当前步骤：'+workflowGuideStages[step]);}function workflowGuideAdvance(direction){if(direction>0){const bridge=workflowBridgeActivate();const version=Number(workflowGuideCore.dataset.workflowVersion||0);if(version<=workflowGuideState.consumedVersion){announce('请先完成主案例的可见状态变化');return;}workflowGuideState.consumedVersion=version;workflowGuideState.completed.add(workflowGuideState.step);announce('已记录主案例变化 · '+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('证据未保存：主案例尚无新变化');return;}const text=document.querySelector('#workflowGuideEvidence').value.trim();workflowGuideState.evidence.set(workflowGuideState.step,text||'已完成可见状态检查');workflowGuideState.completed.add(workflowGuideState.step);workflowGuideState.consumedVersion=version;workflowGuideDrive();announce('本步证据已保存 · '+workflowBridgeSummary());});document.querySelector('#workflowGuideDetails').addEventListener('toggle',event=>announce(event.currentTarget.open?'已展开验收要求':'已收起验收要求'));workflowGuideDrive();
workflowBridgeReset();
  </script>
</body>
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