使用jquery动态加载js，css文件

使用jquery动态加载js，css文件view sourceprint?01 $.extend({  02      includePath: '',  03      include: function(file) {  04         var files = typeof file == "string" ? [file]:file;  05         for (var i = 0; i < files.length; i++) {  06             var name = files[i].replace(/^\s|\s$/g, "");  07             var att = name.split('.');  08             var ext = att[att.length - 1].toLowerCase();  09             var isCSS = ext == "css";  10             var tag = isCSS ? "link" : "script";  11             var attr = isCSS ? " type='text/css' rel='stylesheet' " : " language='javascript' type='text/javascript' ";  12             var link = (isCSS ? "href" : "src") + "='" + $.includePath + name + "'";  13             if ($(tag + "[" + link + "]").length == 0) document.write("<" + tag + attr + link + "></" + tag + ">");  14         }  15    }  16 });  17    18 //使用方法  19 $.includePath = 'http://hi.baidu.com/javascript/';   20 $.include(['json2.js', 'jquery.tree.js', 'jquery.tree.css']);