App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
var btn = $(this).text();
$("p").css("background-color","white");
$("p" + btn).css("background-color","yellow");
});
});
</script>
</head>
<body>
<button>:last</button>
<button>:last-child</button>
<button>:last-of-type</button><br>
<p>body </p>
<div style="border:1px solid;">
<p>div div </p>
<p>div div </p>
</div><br>
<div style="border:1px solid;">
<span> span div </span>
<p> div div </p>
<p> div , div </p>
<span> span div </span>
</div><br>
<div style="border:1px solid">
 
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运行结果