Understanding the differences between `map()` and `forEach()` methods in JavaScript

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Test Question Javascript - Fundamentals

Understanding the differences between `map()` and `forEach()` methods in JavaScript

Hard

Understanding the differences between map() and forEach() methods in JavaScript

const numbers = [1, 2, 3, 4, 5];

const doubledNumbers1 = numbers.forEach((num) => {
  return num * 2;
});

const doubledNumbers2 = numbers.map((num) => {
  return num * 2;
});

Author: W3D teamStatus : PublishedQuestion answered 962 times

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Reviews from developers

Anonymous author

03/19/2023

Simple et efficace pour rafraichir les bases

Anonymous author

04/14/2023

Bon à savoir, merci !