Rumah > Artikel > hujung hadapan web > JS制作简单的倒计时功能
<script> (function () { var tian = document.getElementsByClassName('JS-tian')[0]; var shi = document.getElementsByClassName('JS-shi')[0]; var fen = document.getElementsByClassName('JS-fen')[0]; var miao = document.getElementsByClassName('JS-miao')[0]; var endTime = new Date('2117/07/12 23:59:59').getTime() + 1000; var interval = null; interval = setInterval(function () { var syhm = endTime - Date.now(); // 剩余毫秒 if (syhm >= 0) { tian.innerText = Math.floor(syhm / 1000 / 60 / 60 / 24); shi.innerText = Math.floor(syhm / 1000 / 60 / 60 % 24); fen.innerText = Math.floor(syhm / 1000 / 60 % 60); miao.innerText = Math.floor(syhm / 1000 % 60); } else { clearInterval(interval); } }, 0); })(); </script>
<div> 距结束还剩:<span class="JS-tian"></span>天<span class="JS-shi"></span>时<span class="JS-fen"></span>分<span class="JS-miao"></span>秒 </div>
Atas ialah kandungan terperinci JS制作简单的倒计时功能. Untuk maklumat lanjut, sila ikut artikel berkaitan lain di laman web China PHP!