jquery动态加载js文件

$.extend({     includePath: '',     include: function(file) {        var files = typeof file == "string" ? [file]:file;        for (var i = 0; i < files.length; i++) {            var name = files[i].replace(/^\s|\s$/g, "");            var att = name.split('.');            var ext = att[att.length - 1].toLowerCase();            var isCSS = ext == "css";            var tag = isCSS ? "link" : "script";            var attr = isCSS ? " type='text/css' rel='stylesheet' " : " language='javascript' type='text/javascript' ";            var link = (isCSS ? "href" : "src") + "='" + $.includePath + name + "'";            if ($(tag + "[" + link + "]").length == 0) $("body").append("<" + tag + attr + link + "></" + tag + ">");        }   }});//使用方法$.includePath = '../js/Exam'; $.include(['/AddQuestion.js']);