html计时器

日期: 2026-03-31

标签: 社会

<html>
<head>
<script>
function startTimer(duration, display) {
  var timer = duration, minutes, seconds;
  setInterval(function () {
    minutes = parseInt(timer / 60, 10);
    seconds = parseInt(timer % 60, 10);
<pre><code>minutes = minutes &lt; 10 ? &quot;0&quot; + minutes : minutes;
seconds = seconds &lt; 10 ? &quot;0&quot; + seconds : seconds;

display.textContent = minutes + &quot;:&quot; + seconds;

if (--timer &lt; 0) {
  timer = duration;
}
</code></pre>
<p>}, 1000);
}</p>
<p>window.onload = function () {
var fiveMinutes = 60 * 5,
display = document.querySelector('#time');
startTimer(fiveMinutes, display);
};
</script></p>
</head>
<body>
  <div>倒计时: <span id="time">05:00</span> </div>
</body>
</html

原文地址: https://www.cveoy.top/t/topic/ifXG 著作权归作者所有。请勿转载和采集!