js array two dimensional
// declaration of a two-dimensional array
// 5 is the number of rows and 4 is the number of columns.
const matrix = new Array(5).fill(0).map(() => new Array(4).fill(0));
console.log(matrix[0][0]); // 0js array two dimensional
// declaration of a two-dimensional array
// 5 is the number of rows and 4 is the number of columns.
const matrix = new Array(5).fill(0).map(() => new Array(4).fill(0));
console.log(matrix[0][0]); // 0how to read 2 dimensional array in javascript
activities.forEach((activity) => {
activity.forEach((data) => {
console.log(data);
});
});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;
}
}javascript multidimensional array
var items = [
[1, 2],
[3, 4],
[5, 6]
];
console.log(items[0][0]); // 1
console.log(items[0][1]); // 2
console.log(items[1][0]); // 3
console.log(items[1][1]); // 4
console.log(items);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"],
]; // Think of it as coordinates, array[x, y] x = 0; y = 0; is "0, 0" on
// this grid
console.log(array[3][3]); // returns "3, 3"
// If you use graphics (ex: p5js or JS Canvas) then this will be a 5x5 map.
// Useful for roguelikes and/or raycasters.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++;
}
}
// grid = [
// [ 0, 1 ]
// [ 2, 3 ]
// [ 4, 5 ]
// ];
console.log(grid[0][2]); // 4Copyright © 2021 Codeinu
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