--- title: Map.prototype.clear() slug: Web/JavaScript/Reference/Global_Objects/Map/clear tags: - ECMAScript 2015 - JavaScript - Map - Method - Prototype - Reference translation_of: Web/JavaScript/Reference/Global_Objects/Map/clear ---
clear()
메서드는 Map
객체의 모든 요소를 제거합니다.
myMap.clear();
clear()
사용하기var myMap = new Map(); myMap.set('bar', 'baz'); myMap.set(1, 'foo'); myMap.size; // 2 myMap.has('bar'); // true myMap.clear(); myMap.size; // 0 myMap.has('bar') // false
Specification | Status | Comment |
---|---|---|
{{SpecName('ES2015', '#sec-map.prototype.clear', 'Map.prototype.clear')}} | {{Spec2('ES2015')}} | Initial definition. |
{{SpecName('ESDraft', '#sec-map.prototype.clear', 'Map.prototype.clear')}} | {{Spec2('ESDraft')}} |
{{Compat("javascript.builtins.Map.clear")}}