Housing registration live validation form
Complete an instant-validation form for a housing check-in scenario: includes realistic content, actionable controls, clear status feedback, and responsive layouts across sizes.
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<header class="mast"><div><span class="eyebrow">playful / Live validation form / ADVANCED</span><h1>Housing registration live validation form</h1><p class="intro">Complete an instant-validation form for a housing check-in scenario: includes realistic content, actionable controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Housing Check-in</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>Master the semantic structure, responsive layout, keyboard operation, and state synchronization of instant validation forms.</span></aside><section class="demo" aria-label="Housing Check-In Live Validation Form Interactive Area"><section id="evidenceShell" class="evidence-shell" data-board-mode="scan"><header class="evidence-head"><div><span class="eyebrow">Housing Check-in / EVIDENCE BOARD</span><h2>Live validation form observation panel</h2><p>Place the main case into an evidence board, using separate observation cards, logs, and mode-switch records to track the current result.</p></div><div class="evidence-tools"><div class="row"><button class="action primary" type="button" data-board-mode="scan">Scan</button><button class="action" type="button" data-board-mode="proof">Verify</button><button class="action" type="button" data-board-mode="handoff">Handoff</button></div><output id="evidenceStatus">Awaiting Sampling</output></div></header><div class="evidence-body"><section class="evidence-stage"><div class="evidence-ribbon"><button type="button" data-evidence-card="0" aria-pressed="true"><span>01</span><strong>Housing Check-in Inspiration</strong><small>Check whether the status change is visible</small></button><button type="button" data-evidence-card="1" aria-pressed="false"><span>02</span><strong>Housing check-in record</strong><small>Confirm keyboard and click entry points are consistent</small></button><button type="button" data-evidence-card="2" aria-pressed="false"><span>03</span><strong>Housing Registration Collaboration</strong><small>Check whether the layout falls back on narrow screens</small></button><button type="button" data-evidence-card="3" aria-pressed="false"><span>04</span><strong>Housing Check-in Progress</strong><small>Record current review conclusion</small></button></div><div id="evidenceCoreShell" class="evidence-core-shell"><div class="workflow-guide"><nav class="guide-rail" aria-label="Housing Check-in Guide"><span class="eyebrow">Housing check-in GUIDE</span><ol><li data-workflow-guide-step="0" aria-current="step"><b>1</b><span>Housing Check-in Basic Information</span></li><li data-workflow-guide-step="1"><b>2</b><span>Housing Check-in Supplemental Materials</span></li><li data-workflow-guide-step="2"><b>3</b><span>Housing Check-in Final Confirmation</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="Housing check-in 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 operations related to “Housing Check-in Basic Information” in the main example.</p><!-- 11DZ_CORE_START:forms-input-live-validation --><form id="demoForm" class="form-card form-mode-0 panel" novalidate><div class="form-heading"><span class="eyebrow">Fill in safely · MODE 1</span><h2>Instant Validation Form</h2><p class="muted">Field errors are explained in place and will not clear the entered content.</p></div><label class="field"><span>Name</span><input name="name" minlength="2" required autocomplete="name" aria-describedby="nameError"><small id="nameError"></small></label><label class="field"><span>Contact email</span><input name="email" type="email" required autocomplete="email" aria-describedby="emailError"><small id="emailError"></small></label><label class="field field-note"><span>Description</span><textarea name="note" rows="3" minlength="8" required aria-describedby="noteError"></textarea><small id="noteError"></small></label><button class="action primary" type="submit" data-core-bridge="forms-input-live-validation">Review and submit</button></form><!-- 11DZ_CORE_END --></section><aside class="guide-evidence"><details id="workflowGuideDetails"><summary>View acceptance requirements</summary><ul><li>Housing registration basic information requires one visible state change</li><li>Supplementary information for housing check-in requires one visible state change</li><li>Housing check-in final confirmation requires 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></div></section><aside class="evidence-rail"><label>Canvas Zoom<input id="evidenceZoom" type="range" min="88" max="128" value="100"><output id="evidenceZoomValue">100%</output></label><label>Current sample<select id="evidenceStep"><option value="0">Housing Check-in Inspiration</option><option value="1">Housing check-in record</option><option value="2">Housing Registration Collaboration</option><option value="3">Housing Check-in Progress</option></select></label><ul id="evidenceChecklist" class="evidence-checklist"><li>Housing Check-in Inspiration</li><li>Housing check-in record</li><li>Housing Registration Collaboration</li><li>Housing Check-in Progress</li></ul><button id="evidenceCapture" class="action primary" type="button">Write evidence</button><ol id="evidenceLog" class="evidence-log"><li>Evidence not yet entered</li></ol></aside></div></section><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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