how to make 2d array js code example
Example 1: js array two dimensional
const matrix = new Array(5).fill(0).map(() => new Array(4).fill(0));
console.log(matrix[0][0]);
Example 2: creating a 2d array in js
var x = new Array(10);
for (var i = 0; i < x.length; i++) {
x[i] = new Array(3);
}
console.log(x);
Example 3: creating 2d array in javascript
var [r, c] = [5, 5];
var m = Array(r).fill().map(()=>Array(c).fill(0));
Example 4: javascript two dimensional array
var grid = [];
iMax = 3;
jMax = 2;
count = 0;
for (let i = 0; i < iMax; i++) {
grid[i] = [];
for (let j = 0; j < jMax; j++) {
grid[i][j] = count;
count++;
}
}
console.log(grid[0][2]);