Question

How to declare 2D (Two-dimensional) array in TypeScript

Answer 1

let arr:number[][] = [[1,2,3],[4,5,6],[7,8,9]]
console.log(arr)

console.log(arr[0][0])
console.log(arr[0][1])

console.log(arr[1][0])

console.log(arr[2][0])
console.log(arr[2][2])



  
  
  
  
/*
  
run:
  
[[1, 2, 3], [4, 5, 6], [7, 8, 9]] 
 
*/

 

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