$.extend({      includePath: '',      include: function(file) {         var files = typeof file == "string" ? [file]:file;         for (var i = 0; i < files.length; i++) {             var name = files[i].replace(/^\s|\s$/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']);