[1주차][홀랄리] var vs let vs const#107
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eotkd4791 wants to merge 1 commit intofe-backpackers:eotkd4791from
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[1주차][홀랄리] var vs let vs const#107eotkd4791 wants to merge 1 commit intofe-backpackers:eotkd4791from
eotkd4791 wants to merge 1 commit intofe-backpackers:eotkd4791from
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| - 블록이란 함수, 반복문, 조건문, 빈 블록 등 중괄호({})로 감싸진 영역을 의미합니다. | ||
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| - 또한 var는 전역 스코프에서 선언하면 window 객체의 프로퍼티가 되지만, const/let은 전역에서 선언하더라도 window 객체의 프로퍼티가 되지 않습니다. |
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strict mode 일때는 var로 전역 스코프에서 선언해도 window 객체의 프로퍼티가 안되지 않나요..?
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확인해보았는데 strict mode에서도 window 객체 프로퍼티가 되는 것 같습니다!
'use strict';
var isGlobal = true;
console.log(window.hasOwnProperty('isGlobal')); // true
console.dir(window); // 아래 이미지 첨부
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#67