tryjquery_sel_lastoftypediff 在线代码实例

实例代码( Tip: 登录后体验更佳 )

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<!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 中第一个段落。</p>
<div style="border:1px solid;">
    <p>div 中第一个段落，是  div 的第一个子元素。</p>
    <p>div 中的最后一个段落，是  div 的最后一个子元素。</p>
</div><br>
<div style="border:1px solid;">
    <span>这是一个 span 元素，是 div 中的第一个子元素。</span>
    <p>另一个 div 中第一个段落，是 div 中的第二个子元素。</p>
    <p>另一个 div 中的最后一个段落, 是 div 中的第三个子元素。</p>
    <span>这是一个 span 元素，是 div 中的最后一个子元素。</span>
</div><br>
<div style="border:1px solid">
 
 
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运行结果
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