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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>子選擇器</title>
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
$("div>a").css("color","red");
})
</script>
</head>
<body>
<div>
<a href="#">php 中文網(wǎng)</a>
</div>
</body>
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??? ??? ????<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>子選擇器</title>
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
$(".p1 + p").css("color","red");
})
</script>
</head>
<body>
<div>
<p>php 中文網(wǎng)</p>
<p class="p1">php 中文網(wǎng)</p>
<p>php 中文網(wǎng)</p>
</div>
</body>
</html>
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