array 2d 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: javascript define multidimensional array
var iMax = 20;
var jMax = 10;
var f = new Array();
for (i=0;i<iMax;i++) {
f[i]=new Array();
for (j=0;j<jMax;j++) {
f[i][j]=0;
}
}
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]);