aula.Java/aulaJS.html at main · NataBergamasco/aula.Java · GitHub

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<!DOCTYPE html>
<html lang="pt-BR">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Cronômetro Regressivo</title>
<link rel="stylesheet" href="./css.css">
</head>
<body>
  <div class="countdown-container" aria-label="Cronômetro regressivo">
    <h1 class="countdown-title">Tempo Restante</h1>
    <div class="time-sections">
      <div class="time-section" aria-live="polite" aria-atomic="true">
        <div id="days" class="time-number">00</div>
        <div class="time-label">Dias</div>
      </div>
      <div class="time-section" aria-live="polite" aria-atomic="true">
        <div id="hours" class="time-number">00</div>
        <div class="time-label">Horas</div>
      </div>
      <div class="time-section" aria-live="polite" aria-atomic="true">
        <div id="minutes" class="time-number">00</div>
        <div class="time-label">Minutos</div>
      </div>
      <div class="time-section" aria-live="polite" aria-atomic="true">
        <div id="seconds" class="time-number">00</div>
        <div class="time-label">Segundos</div>
      </div>
    </div>
  </div>

<script>
  // Set the target date for the countdown (example: 7 days from now)
  const countdownTarget = new Date();
  countdownTarget.setDate(countdownTarget.getDate() + 7);

  function updateCountdown() {
    const now = new Date();
    const diff = countdownTarget - now;

    if (diff <= 0) {
      document.getElementById("days").textContent = '00';
      document.getElementById("hours").textContent = '00';
      document.getElementById("minutes").textContent = '00';
      document.getElementById("seconds").textContent = '00';
      clearInterval(timerInterval);
      return;
    }

    const days = Math.floor(diff / (1000 * 60 * 60 * 24));
    const hours = Math.floor((diff / (1000 * 60 * 60)) % 24);
    const minutes = Math.floor((diff / (1000 * 60)) % 60);
    const seconds = Math.floor((diff / 1000) % 60);

    document.getElementById("days").textContent = days.toString().padStart(2, '0');
    document.getElementById("hours").textContent = hours.toString().padStart(2, '0');
    document.getElementById("minutes").textContent = minutes.toString().padStart(2, '0');
    document.getElementById("seconds").textContent = seconds.toString().padStart(2, '0');
  }

  updateCountdown();
  const timerInterval = setInterval(updateCountdown, 1000);
</script>
</body>
</html>