how to make a 2d array in js
let x = [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9]
];
console.log(items[0][0]); // 1
console.log(items[0][1]); // 2
console.log(items[1][0]); // 4
console.log(items[1][1]); // 5
console.log(items);how to make a 2d array in js
let x = [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9]
];
console.log(items[0][0]); // 1
console.log(items[0][1]); // 2
console.log(items[1][0]); // 4
console.log(items[1][1]); // 5
console.log(items);how to make a 4 dimensional array in JavaScript
/*having the previous array easy to make is very useful*/
function Array2D(x, y){
let arr = Array(x);
for(let i = 0; i < y; i++){
arr[i] = Array(y);
}
return arr;
}
function Array3D(x, y, z){
let arr = Array2D(x, y);
for(let i = 0; i < y; i++){
for(let j = 0; j < z; j++){
arr[i][j] = Array(z);
}
}
return arr;
}
function Array4D(x, y, z, w){
let arr = Array3D(x, y, z);
for(let i = 0; i < x; i++){
for(let j = 0; j < y; j++){
for(let n = 0; n < z; n++){
arr[i][j][n] = Array(w);
}
}
}
return arr;
}
/*making the array*/
let myArray = Array4D(10, 10, 10, 10);Copyright © 2021 Codeinu
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