<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟学堂(edu.jb51.net)</title>
<script src="http://edu.jb51.net/libs/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").css({
"color":"white",
"background-color":"#98bf21",
"font-family":"Arial",
"font-size":"20px",
"padding":"5px"
});
</head>
<body>
<button>设置P元素的多个css属性</button>
<p>这是一个段落。</p>
<p>这是另一个段落。</p>
</body>
</html>