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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>本教程(w3big.com)</title> <script src="http://cdn.static.w3big.com/libs/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("p").click(function(){ if ($("p").parent().is("div")) { alert("p 的父元素是 div"); } }); }); </script> </head> <body> <div> <p>点我查看父元素是否是 div。</p> </div> </body> </html>