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object arrow 에서의 this #2

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heejunghwang opened this issue Sep 27, 2016 · 2 comments

Contributor

heejunghwang commented Sep 27, 2016

object arrow 에서의 this는 왜 window일까요?

var obj = {
a:()=>{console.log(this)}
}
obj.a() //result : window

Contributor Author

heejunghwang commented Oct 8, 2016 •

edited

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http://www.2ality.com/2012/04/arrow-functions.html
번역해서 확인해볼 것

youngbeomrhee commented Oct 15, 2016 •

edited

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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/this#Arrow_functions

예제의 var foo = (() => this); 에 하나를 더 추가해서 var fooFn = function() { return this; };
두개를 비교해보면 이해가 편함
결론적으로 모호성이 없어짐

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