How can I create a two dimensional array in JavaScript?

Question

I have been reading online and some places say it isn\'t possible, some say it is and then give an example and others refute the example, etc.

1. How do I dec

Answer 1

Array(m).fill(v).map(() => Array(n).fill(v))

You can create a 2 Dimensional array m x n with initial value m and n can be any numbers v can be any value string, number, undefined.

One approach can be var a = [m][n]