What are some useful functions of array in JavaScript

Question

Hi I just want to know most useful functions of array in JavaScript and also there use.

Answer 1

https://code.sololearn.com/W3cNMx37R657/?ref=app
https://code.sololearn.com/WopAH9yrs62D/?ref=app

Answer 2

JavaScript Arrays, a definitive cheat sheet — https://flaviocopes.com/javascript-array/