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1. Why JavaScript functions always return a value? I'm taking a course in JavaScript programming, and the instructor said that a typical JavaScript fu 阅读全文
posted @ 2016-09-23 13:16
立志做一个好的程序员
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摘要:
闭包: function 内部访问外部的variables 报错了。 Certain language constructs block the error, for example typeof x works if there is no x (and returnsundefined), bu 阅读全文
posted @ 2016-09-23 10:39
立志做一个好的程序员
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