Página de contagem regressiva para o lançamento do curso intensivo
Conclua a página de contagem regressiva para lançamento no cenário de sprint da turma: inclui conteúdo real, controles acionáveis, feedback de estado claro e layout responsivo entre tamanhos.
É possível editar, executar e salvar este exemplo após ativar JavaScript. O código-fonte fixo é o seguinte:
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<header class="mast"><div><span class="eyebrow">terminal / página de contagem regressiva de lançamento / INTERMEDIATE</span><h1>Página de contagem regressiva para o lançamento do curso intensivo</h1><p class="intro">Conclua a página de contagem regressiva para lançamento no cenário de sprint da turma: inclui conteúdo real, controles acionáveis, feedback de estado claro e layout responsivo entre tamanhos.</p></div><span class="scenario">Sprint do curso</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>Domine a estrutura semântica, a organização responsiva, a operação por teclado e a sincronização de estado de uma página de contagem regressiva para lançamento.</span></aside><section class="demo" aria-label="Área interativa da página de contagem regressiva para o lançamento do sprint do curso"><div id="similarityShell" class="similarity-shell" data-review-state="focus"><header class="similarity-head"><div><span class="eyebrow">Sprint do curso / REVIEW STUDIO</span><h2>Painel de revisão da página de contagem regressiva para lançamento</h2><p>Coloque o caso principal em uma estrutura de revisão separada e registre adicionalmente o modo de observação, os pontos de verificação e a conclusão atual.</p></div><output id="similarityState">Pronto para iniciar a revisão</output></header><div class="similarity-layout"><aside class="similarity-console"><fieldset class="similarity-modes"><legend>Visão de revisão</legend><button class="action primary" type="button" data-review-view="focus">Focar na visualização principal</button><button class="action" type="button" data-review-view="compare">Lista de conferência</button><button class="action" type="button" data-review-view="audit">Registrar no local</button></fieldset><label>Densidade de observação<input id="similarityDensity" type="range" min="84" max="124" value="100"><output id="similarityDensityValue">100%</output></label><label class="similarity-pin"><input id="similarityPin" type="checkbox"> Fixar o ponto de verificação atual</label><ol id="similarityChecklist" class="similarity-checklist"><li>Sprint de colaboração do curso</li><li>Progresso do sprint da disciplina</li><li>Lembrete de sprint do curso</li><li>Coleção de sprint do curso</li></ol><button id="similarityCapture" class="action primary" type="button">Registrar ponto de controle</button><ol id="similarityLog" class="similarity-log"><li>Aguardando o primeiro registro de verificação</li></ol></aside><section class="similarity-stage"><div id="similarityDeck" class="similarity-deck"><article data-active="true"><span>01</span><strong>Sprint de colaboração do curso</strong><p>Verifique se a mudança de estado está visível</p></article><article><span>02</span><strong>Progresso do sprint da disciplina</strong><p>Confirmar que as entradas por teclado e por clique são consistentes</p></article><article><span>03</span><strong>Lembrete de sprint do curso</strong><p>Observe se o layout recua em telas estreitas</p></article><article><span>04</span><strong>Coleção de sprint do curso</strong><p>Registre a conclusão da revisão atual</p></article></div><div id="similarityCoreShell" class="similarity-core-shell"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">Sprint do curso DISPATCH</span><h2>Painel de coordenação do curso intensivo</h2><form id="workflowDispatchForm"><label>Tipo de tarefa<select id="workflowDispatchKind"><option>Introdução aos destaques do sprint do curso</option><option>Complemento de evidências do sprint do curso</option><option>Ações de conversão para a maratona do curso</option></select></label><label>Número-alvo<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="33"><span>pessoa</span></label><fieldset><legend>Prioridade de processamento</legend><label><input type="radio" name="workflowPriority" value="normal" checked>Padrão</label><label><input type="radio" name="workflowPriority" value="urgent">Urgente</label></fieldset><button class="action primary" type="submit">Salvar página</button></form><label>Tarefa atual<select id="workflowDispatchActive" aria-label="Alternar tarefa atual"><option value="1">Introdução aos destaques do sprint do curso</option><option value="2">Complemento de evidências do sprint do curso</option></select></label><output id="workflowDispatchSummary">Aguardando despacho</output></aside><section id="workflowCore" class="workflow-core dispatch-workbench" data-dispatch-priority="normal"><!-- 11DZ_CORE_START:marketing-content-pages-launch-countdown --><div class="countdown-launch"><section><span class="eyebrow">LOCAL LAUNCH CLOCK</span><h2>Curso intensivo prestes a ser aberto</h2><p>A contagem regressiva é calculada inteiramente com base na hora local do navegador, sem solicitar a hora do servidor.</p><button id="restartCountdown" class="action primary" type="button" data-core-bridge="marketing-content-pages-launch-countdown">Redefinir para 72 horas</button></section><div class="countdown-units" role="timer" aria-live="off"><span><strong id="countDays">03</strong><small>dia</small></span><span><strong id="countHours">00</strong><small>hora</small></span><span><strong id="countMinutes">00</strong><small>minutos</small></span><span><strong id="countSeconds">00</strong><small>s</small></span></div></div><!-- 11DZ_CORE_END --></section></div></div></section></div></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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