Node.js入门：前后端模块的异同

 1 (function () { 
 2     // Establish the root object, `window` in the browser, or `global` on the server. 
 3     var root = this; 
 4     var _ = function (obj) { 
 5         return new wrapper(obj); 
 6     }; 
 7     if (typeof exports !== ‘undefined‘) { 
 8         if (typeof module !== ‘undefined‘ && module.exports) { 
 9             exports = module.exports = _; 
10         } 
11         exports._ = _; 
12     } 
13     else if (typeof define === ‘function‘ && define.amd) { 
14         // Register as a named module with AMD. 
15         define(‘underscore‘, function () { 
16             return _; 
17         }); 
18     } 
19     else { 
20         root[‘_‘] = _; 
21     } 
22 }).call(this);

if (typeof exports !== "undefined") { 
    exports.EventProxy = EventProxy; 
} 
else { 
    this.EventProxy = EventProxy; 
}