http://stackoverflow.com/questions/2766057/what-is-happening-in-crockfords-object-creation-technique
//创建对象 if (typeof Object.create !== "function") { Object.create = (function () { function F() {} // created only once return function (o) { F.prototype = o; // reused on each invocation return new F(); }; })(); }
What is happening in Crockford's object creation technique?,布布扣,bubuko.com
What is happening in Crockford's object creation technique?
原文：http://www.cnblogs.com/didi/p/3878708.html