size
접근자 속성은 Set
객체의 원소 수를 반환합니다.
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
설명
size
의 값은 Set
객체가 가진 원소의 수를 나타내는 정수입니다. size
값의 설정자는 undefined
입니다. 즉 값을 직접 바꿀 수는 없습니다.
예제
size 사용하기
var mySet = new Set();
mySet.add(1);
mySet.add(5);
mySet.add('some text')
mySet.size; // 3
명세
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Set.prototype.size' in that specification. |
Standard | Initial definition. |
ECMAScript (ECMA-262) The definition of 'Set.prototype.size' in that specification. |
Living Standard |
브라우저 호환성
BCD tables only load in the browser
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.