JQurry $() css() 用法
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
<script type="text/javascript" src='js/jquery-1.12.1.min.js'></script>
<style>
*{margin:0;padding:0}
</style>
</head>
<body>
<div id="wrap">
<ul>
<li>1</li>
<li>1</li>
<li>2</li>
<li>2</li>
</ul>
</div>
<p>11</p>
<script>
$('#wrap ul li,p').css({
color:'#f00',
fontSize:'20px'
});
</script>
<script>
//选择某一个li元素进行操作
$('li').eq(1).css('color','#f00');
</script>
</body>
</html>
