Some of the most loved functions in JavaScript might be `map` and `forEach`. In this tutorial, I am going to talk about the main difference between each and show you some examples of their usages. Map() vs. forEach() in JavaScript - What Is the Difference

The biggest difference between an Array & Set is that Arrays can have duplicate values whereas Sets cannot. The other big difference is that data in an array is ordered by index whereas Sets use keys & the elements are iterable in the order of insertion.

Some of the most loved functions in JavaScript might be `map` and `forEach`. In this tutorial, I am going to talk about the main difference between each and show you some examples of their usages. Map() vs. forEach() in JavaScript - What Is the Difference

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Some of the most loved functions in JavaScript might be `map` and `forEach`. In this tutorial, I am going to talk about the main difference between each and show you some examples of their usages. Map() vs. forEach() in JavaScript - What Is the Difference