生意兴隆 陈玉建 专辑：生意兴隆 语种：国语 流派：Pop 唱片公司：通力唱片开发者_开发问答上传时间：2014-08-05
Given the following code: function a() {} function b() {} b.prototype = new a(); var b1 = new b(); We can stay that a has been added to b\'s prototype chain. Great. And, all the following are true:
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