What is the purpose of the `forEach()` function for arrays?

Difficulty: 3/10

array iteration, side effects, asynchronous javascript

The `forEach()` function is used to iterate over each element in an array and apply a provided function to each element. It's a way to perform an operation on each element without having to use a traditional `for` loop.

1
It’s used to do something with each item (like logging to the console or saving to a database), not to produce a result hence it always returns undefined

Example code:

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