get()
메서드는 Map
객체에서 지정한 요소를 회수합니다.
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구문
myMap.get(key);
매개변수
key
Map
객체에서 회수할 요소의 키.
반환 값
주어진 키와 연결된 요소. 그런 요소가 없으면 undefined
.
예제
get 사용하기
var myMap = new Map();
myMap.set('bar', 'foo');
myMap.get('bar'); // "foo" 반환.
myMap.get('baz'); // undefined 반환.
명세
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Map.prototype.get' in that specification. |
Standard | Initial definition. |
ECMAScript (ECMA-262) The definition of 'Map.prototype.get' in that specification. |
Living Standard |
브라우저 호환성
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