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  • 根据鼠标移动位置显示背景图片

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     2 <html xmlns="http://www.w3.org/1999/xhtml">
     3 <head>
     4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     5 <title>无标题文档</title>
     6 <link rel="stylesheet" type="text/css" href="css/common.css" />
     7 <style type="text/css">
     8 #box{width:600px;height:630px;background:#CCC;margin:0 auto;padding:5px;padding-left:35px;}
     9 #box div{float:left;width:60px;height:60px;background:url(img/pic.jpg) no-repeat;opacity:0;margin:1px;}
    10 </style>
    11 </head>
    12 
    13 <body>
    14 <div id="box" class="clearfix">
    15 </div>
    16 <script>
    17 var oBox = document.getElementById("box");
    18 var oDiv = oBox.getElementsByTagName("div");
    19 var str = "";
    20 for(var i=0;i<100;i++)
    21     str += "<div></div>";
    22 oBox.innerHTML = str;
    23 for(var i=0;i<100;i++)
    24 {
    25     oDiv[i].style.top = parseInt(i/9)*61+"px";
    26     oDiv[i].style.left = i%9*61+"px";
    27     var co = -(parseInt(i/9)*61);
    28     var ro = -(i%9*61);
    29     oDiv[i].style.backgroundPosition = ro+"px"+" "+co+"px";
    30     oDiv[i].onmouseover = function(){
    31     this.style.opacity = "1";
    32 };
    33 }
    34     
    35 </script>
    36 </body>
    37 </html>
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  • 原文地址:https://www.cnblogs.com/ljuyi/p/6017105.html
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