Map.prototype.get()

get() 메서드는 Map 객체에서 지정한 요소를 회수합니다.

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 Latest Draft (ECMA-262)
The definition of 'Map.prototype.get' in that specification.		 Draft  

브라우저 호환성

Update compatibility data on GitHub
DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
getChrome Full support 38Edge Full support 12Firefox Full support 13IE Full support 11Opera Full support 25Safari Full support 8WebView Android Full support 38Chrome Android Full support 38Firefox Android Full support 14Opera Android Full support 25Safari iOS Full support 8Samsung Internet Android Full support 3.0nodejs Full support Yes

Legend

Full support  
Full support

같이 보기

관련 주제
  1. Standard built-in objects
  2. Map
  3. Properties
    1. Map.prototype.size
    2. Map.prototype[@@toStringTag]
    3. get Map[@@species] [Translate]
  4. Methods
    1. Map.prototype.clear()
    2. Map.prototype.delete()
    3. Map.prototype.entries()
    4. Map.prototype.forEach()
    5. Map.prototype.get()
    6. Map.prototype.has()
    7. Map.prototype.keys() [Translate]
    8. Map.prototype.set()
    9. Map.prototype.values() [Translate]
    10. Map.prototype[@@iterator]() [Translate]
  5. Inheritance:
  6. Function
  7. Properties
    1. Function.arguments
    2. Function.arity [Translate]
    3. Function.caller [Translate]
    4. Function.displayName [Translate]
    5. Function.length
    6. Function.name
  8. Methods
    1. Function.prototype.apply()
    2. Function.prototype.bind()
    3. Function.prototype.call()
    4. Function.prototype.isGenerator() [Translate]
    5. Function.prototype.toSource()
    6. Function.prototype.toString() [Translate]
  9. Object
  10. Properties
    1. Object.prototype.__count__ [Translate]
    2. Object.prototype.__noSuchMethod__ [Translate]
    3. Object.prototype.__parent__ [Translate]
    4. Object.prototype.__proto__ [Translate]
    5. Object.prototype.constructor
  11. Methods
    1. Object.prototype.__defineGetter__()
    2. Object.prototype.__defineSetter__() [Translate]
    3. Object.prototype.__lookupGetter__() [Translate]
    4. Object.prototype.__lookupSetter__() [Translate]
    5. Object.prototype.hasOwnProperty()
    6. Object.prototype.isPrototypeOf()
    7. Object.prototype.propertyIsEnumerable()
    8. Object.prototype.toLocaleString()
    9. Object.prototype.toSource() [Translate]
    10. Object.prototype.toString()
    11. Object.prototype.unwatch() [Translate]
    12. Object.prototype.valueOf()
    13. Object.prototype.watch() [Translate]
    14. Object.setPrototypeOf()