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Javascript pole polí

Príklady kódu

3
0

N


        
            
        
     activities.forEach((activity) => {
    activity.forEach((data) => {
        console.log(data);
    });
});
2
0

N

var x = new Array(10);

for (var i = 0; i < x.length; i++) {
  x[i] = new Array(3);
}

console.log(x);
1
0

N

The Array. of() method creates a new Array instance from a variable number of 
arguments, regardless of number or type of the arguments. The difference between
Array. of() and the Array constructor is in the handling of integer arguments: Array.
0
0

N

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.
-1
0

N

String[][] arrays = new String[][] { array1, array2, array3, array4, array5 };
-1
0

N

//2D array
let activities = [
    ['Work', 9],
    ['Eat', 1],
    ['Commute', 2],
    ['Play Game', 1],
    ['Sleep', 7]
];

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