利用JAVASCRIPT制作简单动画

  • 来源: 互联网 作者: rocket   2008-03-20/11:47
  • 如果你需要改变动画播放速度,
    比如每5秒换一张图片
    改变setTimeout("imgturn('" +numb+ "')", 1000)中的1000为5000

    <html>
    <head>
    <title></title>

    <script language="JavaScript">
    <!--
    //请先准备几张JPG图片格式的,名字是demo1.jpg,demo2.jpg,demo3.jpg
    if (document.images) {
    demo1 = new Image();
    demo1.src = "/images/demo1.jpg";

    demo2 = new Image();
    demo2.src = "/images/demo2.jpg";

    demo3 = new Image();
    demo3.src = "/images/demo3.jpg";
    }

    function timeimgs(numb) {
    thetimer = setTimeout("imgturn('" +numb+ "')", 1000);
    }

    function imgturn(numb) {
    if (document.images) {

    if (numb == "3") {
    document["demo"].src = eval("demo3.src");
    timeimgs('1');
    }

    else { document["demo"].src = eval("demo" + numb + ".src");

    timeimgs(numb = ++numb);
    }
    }
    }

    // -->
    </script>

    </head>
    <body onload="timeimgs('2');">

    <img src="/images/demo1.jpg" name="demo" width="100" height="100" alt="demo">


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