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Professional JavaScript for WEB developers p224-p225

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Author: User
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Then in the second code execution process, there are 1 global variabe object,1 createfunction activation object,10 Anonymous function1 activation object, 10 anonymous Function2 Activation object, and these 10 anonymous Function2 activation object and 10 anonymous function1 activation The object is one by one, and num is stored in the anonymous Function1 activation object, and the different anonymous Function1 activation object has a different num value, So different anonymous function2 can return different num values after execution ~

Professional JavaScript for WEB developers p224-p225

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