Ferris教程学习笔记:js示例2.4 鼠标移入改变样式，鼠标移出恢复

<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>鼠标移入/移出改变样式</title>
<style type="text/css">
body{color:#fff;font:12px/1.5 Tahoma;}
#div1{width:150px;height:150px;margin:0 auto;padding:10px;
background:black;border:10px solid #000;cursor:crosshair;}
#div1.hover{color:red;background:#f0f0f0;border:10px solid red;}
</style>
</head>
<body>
 <div class="" id="div1">鼠标移入改变样式，鼠标移出恢复</div>
<script type="text/javascript">
 window.onload = function(){
    var div1 = document.getElementById("div1");
    
    //绑定鼠标移入事件
    div1.onmouseover = function(){
      this.className = "hover";
    }
    
    //绑定鼠标移出事件
    div1.onmouseout = function(){
      this.className = "";
    }
 };
</script> 
</body>
</html>

Ferris教程学习笔记:js示例2.4 鼠标移入改变样式，鼠标移出恢复

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