Question

How to declare and initialize a matrix with zeros in TypeScript

Answer 1

let rows: number = 4;
let cols: number = 5;
 
let matrix: number[][] = Array(rows).fill(0).map(()=>new Array(cols).fill(0));
 
console.log(matrix);
 
 
 
/*
run:
 
[
  [ 0, 0, 0, 0, 0 ],
  [ 0, 0, 0, 0, 0 ],
  [ 0, 0, 0, 0, 0 ],
  [ 0, 0, 0, 0, 0 ]
]
 
*/

 

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