<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Insert title here</title> <script type="text/javascript" src="jquery-1.7.2.min.js"></script> <script type="text/javascript"> $(function(){ var root = "<div id='page'><div id='branding' class='clearfix'><div id='blog_name'><h1><a href='/admin' title='我的博客'>我的博客</a></h1></div><div id='blog_preview'><a href='/'><img alt='Icon_home' src='http://www.iteye.com/images/icon_home.gif?1324994303' />访问我的空间</a></div></div>"; //1.选择器 var tt =$(root).find('#branding').html(); alert(tt); //xpath 选择器 var ttt =$(root).find("//div[id='branding']").html(); alert(ttt); var url = 'http://m635674608.iteye.com/admin/blogs/2208989'; $.get(url,function(data){ root =data; //2.和1一样的效果 var t =$(root).find('#header').html(); alert(t); //xpath 选择器 var t2 =$(root).find("//div[id='header']").html(); alert(t2); }); }); </script> </head> <body> </body> </html>
注意,字符串格式必须标准。<a></a>不规范可能解析不了