Question

How to create a two dimensional (2D) array and initialize the array with specific number in TypeScript

Answer 1

const rows:number = 3;
const cols:number = 4;
const arr: number[][] = new Array(rows).fill(new Array(cols).fill(-1));
 
console.log(arr);
 
 
 
 
/*
run:
 
[[-1, -1, -1, -1], [-1, -1, -1, -1], [-1, -1, -1, -1]] 

*/

 

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