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: multi-dimensional array js
var array = [
["0, 0", "1, 0", "2, 0", "3, 0", "4, 0"],
["0, 1", "1, 1", "2, 1", "3, 1", "4, 1"],
["0, 2", "1, 2", "2, 2", "3, 2", "4, 2"],
["0, 3", "1, 3", "2, 3", "3, 3", "4, 3"],
["0, 4", "1, 4", "2, 4", "3, 4", "4, 4"],
];
console.log(array[3][3]);
Example 4: javascript fill 2 dimensional array
const fillSquareMatrix = (size) => {
return Array(size)
.fill()
.map((u,y) => Array(size)
.fill()
.map((u,x) => y * size + x + 1));
};
console.log(fillSquareMatrix(3));
Example 5: multi dimensional array javascript
let activities = [
['Work', 9],
['Eat', 1],
['Commute', 2],
['Play Game', 1],
['Sleep', 7]
];
Example 6: creating 2d array in javascript
var [r, c] = [5, 5];
var m = Array(r).fill().map(()=>Array(c).fill(0));