Question

How to create two dimensional (2D) array from N 1D arrays in JavaScript

Answer 1

const arr1 = [3, 5, 1]; 
const arr2 = [8, 3, 12, 7]; 
const arr3 = [18, 98, 100, 9]; 
const arr = [arr1, arr2, arr3]; 

console.log(arr);

   
   
   
/*
run:
   
[ [ 3, 5, 1 ], [ 8, 3, 12, 7 ], [ 18, 98, 100, 9 ] ]
 
*/

 

70+ SQL courses for beginners and professionals