#9 JavaScript Guess the Output forEach vs map | Why forEach Returns undefined?#shorts #coding #viral

In this short, we explore the key difference between forEach and map in JavaScript.

👉 forEach is used for side effects like logging or modifying external variables, but it always returns undefined.
👉 map, on the other hand, creates and returns a new transformed array.

This is one of the most commonly asked JavaScript interview questions that every developer must know! 💡

Watch till the end and test your JavaScript skills!

#javascript #shorts #programming #coding #learnjavascript #webdevelopment #frontend #codingchallenge #javascriptinterview #techshorts

Видео #9 JavaScript Guess the Output forEach vs map | Why forEach Returns undefined?#shorts #coding #viral канала Know The Why