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  1. 개발자를 위한 웹 기술
  2. JavaScript
  3. JavaScript 참고서
  4. 표준 내장 객체
  5. Promise
  6. Promise.reject()
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Promise.reject()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015년 7월.

Promise.reject(reason) 메서드는 주어진 이유(reason)로 거부된 Promise 객체를 반환합니다.

In this article

구문

js
Promise.reject(reason);

매개변수

reason

이 Promise를 거부한 이유.

설명

정적 Promise.reject 함수는 거부된 Promise를 반환합니다. 디버깅 목적 및 까다로운 오류를 잡기 위해, reason을 Error생성자의 인스턴스로 만들면 유용합니다.

예

정적 Promise.reject() 메서드 사용

js
Promise.reject("Testing static reject").then( function (reason) { // 호출되지 않음 }, function (reason) { console.log(reason); // "Testing static reject" }, ); Promise.reject(new Error("fail")).then( function (error) { // 호출되지 않음 }, function (error) { console.log(error); // Stacktrace }, );

명세서

Specification
ECMAScript® 2027 Language Specification
# sec-promise.reject

브라우저 호환성

Enable JavaScript to view this browser compatibility table.

참조

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This page was last modified on 2023년 8월 8일 by MDN contributors.

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  1. 표준 내장 객체
  2. Promise
  3. 생성자
    1. Promise() 생성자
  4. 정적 메서드
    1. Promise.all()
    2. Promise.allSettled()
    3. Promise.any()
    4. Promise.race()
    5. Promise.reject()
    6. Promise.resolve()
    7. Promise.try()
    8. Promise.withResolvers()
  5. 정적 속성
    1. [Symbol.species]
  6. 인스턴스 메서드
    1. Promise.prototype.catch()
    2. Promise.prototype.finally()
    3. Promise.prototype.then()
  7. 상속
  8. Object/Function
  9. 정적 메서드
    1. Function.prototype.apply()
    2. Function.prototype.bind()
    3. Function.prototype.call()
    4. Function.prototype.toSource()
    5. Function.prototype[@@hasInstance]()
  10. 정적 속성
    1. Function: displayName
    2. Function.prototype.length
    3. Function: name
    4. Function
    5. Function.arguments
    6. Function.prototype.caller
  11. 인스턴스 메서드
    1. Object.prototype.__defineGetter__()
    2. Object.prototype.__defineSetter__()
    3. Object.prototype.__lookupGetter__()
    4. Object.prototype.__lookupSetter__()
    5. Object.prototype.hasOwnProperty()
    6. Object.prototype.isPrototypeOf()
    7. Object.prototype.propertyIsEnumerable()
    8. Object.prototype.toLocaleString()
    9. Object.prototype.toString()
    10. Object.prototype.valueOf()
  12. 인스턴스 속성
    1. Object.prototype.__proto__
    2. Object.prototype.constructor

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