[JQuery]非常简洁的动态加载js和css的jquery plugin-Mikel

Code
1// plugin author :  chenjinfa@gmail.com
2// plugin name : $.include
3//     $.include('file/ajaxa.js');$.include('file/ajaxa.css');
4//  or $.includePath  = 'file/';$.include(['ajaxa.js','ajaxa.css']);
5
6$.extend({
7    includePath: '',
8    include: function(file) {
9        var files = typeof file == "string" ? [file]:file;
10        for (var i = 0; i < files.length; i++) {
11            var name = files[i].replace(/^\s|\s$/g, "");
12            var att = name.split('.');
13            var ext = att[att.length – 1].toLowerCase();
14            var isCSS = ext == "css";
15            var tag = isCSS ? "link" : "script";
16            var attr = isCSS ? " type='text/css' rel='stylesheet' " : " language='JavaScript' type='text/JavaScript' ";
17            var link = (isCSS ? "href" : "src") + "='" + $.includePath + name + "'";
18            if ($(tag + "[" + link + "]").length == 0) document.write("<" + tag + attr + link + "></" + tag + ">");
19        }
20    }
21});