javascript循环计时器

来源：互联网发布：卫生间地面材料知乎编辑：程序博客网时间：2024/05/08 08:24

做了一个循环计时器

<!DOCTYPE html><html><head>    <meta charset="UTF-8">    <title>clearInterval</title></head><body>    <input type="text" id="clock">    <input type="button" id="istart" value="Start">    <input type="button" id="istop" value="Stop">    <script type="text/javascript">        var setid;        var time;        var attime;        function clock()        {            time = new Date();            attime = time.getHours() + ":" + time.getMinutes() + ":" + time.getSeconds();            document.getElementById("clock").value = attime;        }        var istart=document.getElementById("istart");        istart.onclick=function()        {            setid=setInterval(clock,100);           }        var istop=document.getElementById("istop");        istop.onclick=function()        {            clearInterval(setid);           }    </script></body></html>

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