Software Engineer

In a nutshell

map() is a built-in function of Array in JavaScript. It helps us iterate on an array, calls a provided callback() on each element, and returns a new array with the new results.


map() accepts as parameters
- current element — The current element being processed in the array.
- the…

Array is one of the most commonly used data structure in the computer science world. If you ever had used a list of items such as todo list or playlist or a contacts list on your phone you most probably used an Array.

An array is a data structure for…

Maayan Savir

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