JSFiddle - React, Tailwind, and code Playground

by pphheerroonn

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Countdown Timer</title>
  <style>
    #countdown {
      font-size: 24px;
      font-family: 'Arial', sans-serif;
      text-align: center;
      margin-top: 50px;
    }
  </style>
</head>
<body>

<div id="countdown"></div>

<script>
// Set the target date and time
const targetDate = new Date("December 20, 2023 14:00:00").getTime();

// Update the countdown every second
const countdownInterval = setInterval(function() {
  // Get the current date and time
  const currentDate = new Date().getTime();

  // Calculate the time remaining
  const timeRemaining = targetDate - currentDate;

  // Calculate days, hours, minutes, and seconds
  const days = Math.floor(timeRemaining / (1000 * 60 * 60 * 24));
  const hours = Math.floor((timeRemaining % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
  const minutes = Math.floor((timeRemaining % (1000 * 60 * 60)) / (1000 * 60));
  const seconds = Math.floor((timeRemaining % (1000 * 60)) / 1000);

  // Display the countdown
  document.getElementById("countdown").innerHTML =
    days + " days " + hours + "h " + minutes + "m " + seconds + "s ";

  // Check if the countdown has reached zero
  if (timeRemaining <= 0) {
    clearInterval(countdownInterval);
    document.getElementById("countdown").innerHTML = "It's time!";
  }
}, 1000);
</script>

</body>
</html>