“JavaScript Mehrdimensionales Array” Code-Antworten

JS -Array zweidimensional

// 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]); // 0
Evergreen Tomato

So lesen Sie 2 dimensionales Array in JavaScript


        
            
        
     activities.forEach((activity) => {
    activity.forEach((data) => {
        console.log(data);
    });
});
Friendly Fowl

JavaScript definieren mehrdimensionales 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;
 }
}
Curious Cardinal

JavaScript Mehrdimensionales 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);
Fierce Finch

JavaScript Mehrdimensionales Array

// multidimensional array
const data = [[1, 2, 3], [1, 3, 4], [4, 5, 6]];
SAMER SAEID

Mehrdimensionales 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.
enemi44

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