js自动切换图片

时间：2022-02-19 04:13:13
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

 <head>

  <title> new document </title>

  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />

  <meta name="author" content="" />

  <meta name="keywords" content="" />

  <meta name="description" content="" />

  <link rel="stylesheet" type="text/css" href="" />

  <style type="text/css"></style>

  <script type="text/javascript">

    window.onload=init;

    var n=1; //图片标记数

    var dingshi; //让图片动的定时器

    function init(){

        dingshi=window.setInterval("tupian()",1000);

    }

    //更换图片

    function tupian(){

        var obj=document.getElementById("img1");

        n++;

        if(n>=4){

            n=1;

        }

        obj.src="yaj_"+n+".jpg";

    }

    //鼠标放上图片停止

    function stoptupian(){

        window.clearInterval(dingshi);

    }

    //鼠标离开图片动起来

    function dongqilai(){

        dingshi=window.setInterval("tupian()",1000);

    }

  </script>

 </head>

 <body>

  <img src="yaj_1.jpg" onmouseover="stoptupian()"  onmouseout="dongqilai()" id="img1">

 </body>

</html>

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