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  • [javascript]浮动广告

    <html>
    <head><meta http-equiv=Content-Type content="text/html;charset=utf-8">
    
    <title></title></head>
    <body>
    <div id="Ad" style="position:absolute">
    <a href="http://www.cnblogs.com/co1d7urt" target="_blank">
    <img src="3.jpg" border="0" /></a></div>
    <script>
    var x=50;
    var y=60;
    var xin=true;
    var yin=true;
    var step=1;
    var obj=document.getElementById("Ad");
    function floatAd()
    {
        var L=T=0;
        var R=document.body.clientWidth-obj.offsetWidth;
        var B=document.body.clientHeight-obj.offsetHeight;
        obj.style.left=x+document.body.scrollLeft;
        obj.style.top=y+document.body.scrollTop;
        x=x+step*(xin?1:-1);
        if(x<L){xin=true;x=L;}
        if(x>R){xin=false;x=R;}
        y=y+step*(yin?1:-1);
        if(y<T){yin=true;y=T;}
        if(y>B){yin=false;y=B;}
    }
    var itl=setInterval("floatAd()",10);
    obj.onmouseover=function(){clearInterval(itl)};
    obj.onmouseout=function(){itl=setInterval("floatAd()",10)};
    </script>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/co1d7urt/p/2963471.html
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