Ptt 大爆卦 | For in - 前往 https://stackoverflow.com/questions/29285897/what-is-the-difference-between-for-in-and-for-of-statements

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並前往https://stackoverflow.com/questions/29285897/what-is-the-difference-between-for-in-and-for-of-statements

What is the difference between ( for... in ) and ( for... of ...

for in loops over enumerable property names of an object. for of (new in ES6) does use an object-specific iterator and loops over the values generated by ...

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