【js练习四】鼠标移入移出改变样式

<!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=utf-8″ />
<title>鼠标移入/移出改变样式</title>
<style>
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>
<script>
window.onload = function(){
var d = document.getElementById(“div1”);
d.onmouseover = function(){
d.className = “hover”;
}
d.onmouseout = function(){
d.className = “”;
}
}
</script>
</head>
<body>
<div id=”div1″>鼠标移入改变样式,鼠标移出恢复。</div>
</body>
</html>

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