鼠标移动显示图片一块一块的显示

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            margin:0;
            padding:0;
        }
        body{
            width:1000px;
            height:550px;
            margin:0 auto;
            text-align:center;
            position: relative;
        }
        div{
            background:url("timg.jpg") no-repeat;
        }
    </style>
</head>
<body>
<script>
    window.onload=function(){
        for(var i=0;i<10;i++){
            for(var j=0;j<10;j++){
                oDiv=document.createElement('div');
                oDiv.style.width='50px';
                oDiv.style.height='50px';
                oDiv.style.position='absolute';
                oDiv.style.left=j*50+'px';
                oDiv.style.top=i*50+'px';
                oDiv.style.backgroundPosition=-j*50+'px '+ (-i)*50+'px';
                oDiv.style.cursor='pointer';
                oDiv.style.opacity='0';
                oDiv.onmouseover=function () {
                  this.style.opacity='1';
                };
                document.body.appendChild(oDiv);
            }
        }
    }
</script>
</body>
</html>

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转载自blog.csdn.net/sunjynyue/article/details/82997990