根據滑鼠移動位置顯示背景圖片

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 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>無標題文檔</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>

 

根據滑鼠移動位置顯示背景圖片

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