效果:
javascript:
<script type="text/javascript"> function countTime() { //获取当前时间 var date = new Date(); var now = date.getTime(); //设置截止时间 var endDate = new Date("2018-10-25 00:00:00"); var end = endDate.getTime(); //时间差 var differTime = end - now; //定义变量,h,m,s保存倒计时的时间 var h, m, s; if (differTime >= 0) { h = Math.floor(differTime / 1000 / 60 / 60); m = Math.floor(differTime / 1000 / 60 % 60); s = Math.floor(differTime / 1000 % 60); h = h < 10 ? ("0" + h) : h; m = m < 10 ? ("0" + m) : m; s = s < 10 ? ("0" + s) : s; document.getElementById("_h").innerHTML = h + "时"; document.getElementById("_m").innerHTML = m + "分"; document.getElementById("_s").innerHTML = s + "秒"; setTimeout(countTime, 1000); } else { document.getElementById("_h").innerHTML = "00时"; document.getElementById("_m").innerHTML = "00分"; document.getElementById("_s").innerHTML = "00秒"; } } </script>
HTML:
<body onload="countTime()"> <p class="timer"> <span id="_h"></span> <span id="_m"></span> <span id="_s"></span> </p> </body>
以上就是js如何实现简单的时分秒倒计时效果(代码示例)的详细内容,更多请关注php中文网其它相关文章!
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