The .map(), .filter() and .reduce() functions in JavaScript are 3 most very useful functions in JavaScript.
The common thing between them is that they are Array functions and the difference between them is in their return type.
The .map(), .filter() and .reduce() functions in JavaScript are 3 most very useful functions in JavaScript.
The common thing between them is that they are Array functions and the difference between them is in their return type.
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