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Showing content from https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Number/Number below:

Number() 생성자 - JavaScript | MDN

Number() 생성자

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Number() 생성자는 Number 객체를 생성합니다.

구문 매개변수
value

만들어질 객체의 숫자 값.

예제 Number 객체 만들기
const a = new Number("123"); // a === 123 은 거짓
const b = Number("123"); // b === 123 은 참
a instanceof Number; // ì°¸
b instanceof Number; // ì°¸
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