yige.org 试一个

<html>
<head>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript"> 
 
$(document).ready(function(){
    $("[id]").css("background-color","#B2E0FF");
});
 
</script>	
 
</head>
<body>
<h1 id="main_header">Welcome to My Homepage</h1>
<p class="intro">My name is Donald</p>
<p>I live in Duckburg</p>
<p>My best friend is Mickey</p>
<h3 id="sub_header">My uncle is Scrooge</h3>
<div id="choose">
Who is your favourite:
<ul>
<li>Goofy</li>
<li>Mickey</li>
<li>Pluto</li>
</ul>
</div>
</body>
</html>

结果:

编辑上面的代码，点击查看结果。

yige.org - 试一个