Capacidades de mídia e dispositivos do navegador

Demonstração de operações da área de apresentação com a área de transferência

Demonstração da operação da área de transferência no cenário do espaço de apresentação: com conteúdo real, controles interativos, feedback de estado claro e layout entre tamanhos de tela.

Capacidades de mídia e dispositivos do navegadorDemonstração de operações da área de transferênciaHTMLCSSBrowser API
Este exemplo requer permissões de recursos do navegador. Mantenha o “isolamento de execução” desativado e acione-o com um clique seu; se a autorização for negada ou não houver suporte, um estado de fallback será exibido.
É possível editar, executar e salvar este exemplo após ativar JavaScript. O código-fonte fixo é o seguinte:
<!doctype html>
<html lang="pt-BR" dir="ltr">
<head>
  <meta charset="utf-8">
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  <title>Demonstração de operações da área de apresentação com a área de transferência</title>
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</head>
<body data-aesthetic="organic" data-composition="field-index">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">organic / demonstração de operação da área de transferência / BEGINNER</span><h1>Demonstração de operações da área de apresentação com a área de transferência</h1><p class="intro">Demonstração da operação da área de transferência no cenário do espaço de apresentação: com conteúdo real, controles interativos, feedback de estado claro e layout entre tamanhos de tela.</p></div><span class="scenario">Sala de demonstração</span></header>
    <div class="composition-index"><section class="demo" aria-label="Área interativa de demonstração de operação da área de transferência no espaço de apresentação"><div class="workflow-session"><header class="session-command"><div><span class="eyebrow">espaço de apresentação SESSION</span><h2>Palco de demonstração com cronômetro</h2></div><output id="workflowSessionClock">00:45</output><label>Duração da rodada<input id="workflowSessionLength" type="range" min="15" max="90" step="15" value="45"><span>s</span></label><button id="workflowSessionToggle" class="action primary" type="button">Iniciar apresentação</button></header><div id="workflowSessionProgress" role="progressbar" aria-label="Progresso do cronômetro da apresentação" 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:browser-media-device-clipboard-demo --><div class="clipboard-desk"><header><span class="eyebrow">CLIPBOARD DESK</span><h2>Estação de cópia do espaço de demonstração</h2><output id="clipboardPermission">Solicitar acesso à área de transferência apenas após o clique</output></header><label class="clipboard-editor">Conteúdo a copiar<textarea id="clipboardText" rows="6">Espaço de apresentação: confirme o registro das ações, a pessoa responsável e o próximo passo.</textarea><span id="clipboardCount">0 caracteres</span></label><div class="clipboard-actions"><button id="clipboardCopy" class="action primary" type="button">Copiar texto</button><button id="clipboardSelect" class="action" type="button" data-core-bridge="browser-media-device-clipboard-demo">seleção manual</button><button id="clipboardClear" class="action" type="button">Limpar a área de edição</button></div><aside><h3>Registro de cópia desta página</h3><ul id="clipboardLedger"><li>A cópia ainda não foi executada</li></ul></aside></div><!-- 11DZ_CORE_END --></section><footer class="session-log"><strong id="workflowSessionScore">0 pontos de verificação de interação</strong><ol id="workflowSessionLaps" aria-label="Registro da rodada"></ol></footer></div><p id="status" class="status" role="status" aria-live="polite"></p></section><aside class="index-mark" aria-hidden="true"><strong>05</strong><span>Espaço de apresentação FIELD INDEX</span></aside></div>
  </main>
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    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:browser-media-device-clipboard-demo */
const clipboardText=document.querySelector('#clipboardText');const clipboardLedger=[];function updateClipboardCount(){document.querySelector('#clipboardCount').textContent=clipboardText.value.length+' caractere';}function recordClipboard(kind){clipboardLedger.unshift({kind,length:clipboardText.value.length,at:new Date()});clipboardLedger.splice(4);document.querySelector('#clipboardLedger').replaceChildren(...clipboardLedger.map(entry=>{const item=document.createElement('li');item.textContent=entry.kind+' · '+entry.length+' caractere · '+entry.at.toLocaleTimeString();return item;}));}document.querySelector('#clipboardCopy').addEventListener('click',async()=>{if(!clipboardText.value){announce('Insira primeiro o conteúdo a ser copiado');return;}try{if(!navigator.clipboard?.writeText)throw new Error('unsupported');await navigator.clipboard.writeText(clipboardText.value);document.querySelector('#clipboardPermission').textContent='Gravação bem-sucedida';recordClipboard('Área de transferência do sistema');announce('Texto gravado na área de transferência');}catch{clipboardText.focus();clipboardText.select();document.querySelector('#clipboardPermission').textContent='O navegador recusou a gravação; o conteúdo foi selecionado';recordClipboard('Reversão manual');announce('Não foi possível copiar automaticamente; o texto foi selecionado para cópia manual');}});document.querySelector('#clipboardSelect').addEventListener('click',()=>{clipboardText.focus();clipboardText.select();recordClipboard('Conteúdo selecionado');announce('Conteúdo da área de edição selecionado');});document.querySelector('#clipboardClear').addEventListener('click',()=>{clipboardText.value='';updateClipboardCount();clipboardText.focus();announce('Área de cópia limpa');});clipboardText.addEventListener('input',updateClipboardCount);updateClipboardCount();
/* 11DZ_CORE_SCRIPT_END */
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workflowBridgeReset();
  </script>
</body>
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