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这是为什么?
:frowning:
Amano
·
a year ago
Aimless
而var b = function() {}是函数表达式 本身是一个赋值语句,只有在顺序执行到var b的时候才会被调用。而作用域根的function会在执行前被读取
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Amano
Joined 3 years ago
Aimless
github.com/asfuon
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