When I first started JavaScript, I always got confused between forEach(), map(), and filter(). They...
When I first started JavaScript, I always got confused between forEach(), map(), and filter(). They all loop through an array, but they don't do the same thing.
Here's the easiest way to remember them.
1. forEach() – Just Visits Every Element
You can imagine as if forEach() is saying:
"Go through every element and perform some work."
forEach() The forEach() method executes a function once for each element in an array. It is mainly...
Every `.map()` and `.filter()` on an array creates a new intermediate array. Iterator helpers — built into JavaScript since 2024…
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