JAVASCRIPT

swap in javascript

var first = 5;
var second = 7;
[first, second] = [second, first];
console.log(first, second);
//answer - 7 5

swap function javascript

function swap(x, y) {
    var t = x;
    x = y;
    y = t;
    return [x, y];
}

console.log(swap(2, 3));

swap function javascript

let a = 1;
let b = 2;
let temp;

temp = a;a = b;b = temp;
a; // => 2
b; // => 1

javascript swap array elements

var b = list[y];
list[y] = list[x];
list[x] = b;

javascript swap

var first = 5;
var second = 7;
[first, second] = [second, first]
console.log(first, second)
//Output: 7,5

array swap method javascript

var a = [1,2,3,4,5], b=a.length;

for (var i=0; i<b; i++) {
    a.unshift(a.splice(1+i,1).shift());
}
a.shift();
//a = [5,4,3,2,1];

swap function javascript

let a = 1;
let b = 2;

a = a ^ b;b = a ^ b;a = a ^ b;
a; // => 2
b; // => 1

swap function javascript

let a = 1;
let b = 2;

a = a + b;b = a - b;a = a - b;
a; // => 2
b; // => 1

swap function javascript

let a = 1;
let b = 2;

[a, b] = [b, a];
a; // => 2
b; // => 1

swap function javascript

function swap(x, y) {
    return [y, x];
}

console.log(swap(2, 3));

js swap

dmitripavlutin.com › swap-variables-javascript

Javascript swap

var first = 5;
var second = 7;

var third = first;
var first = second;

console.log(first)
console.log(third)
//Output: 7,5

swap in array

import java.util.Arrays;

public class swapInArray {

    public static void main (String[] args) {
                int[] arr = {1,10,100,1000};
                swap(arr,1,3);
                System.out.println(Arrays.toString(arr));
            }

            private static void swap (int[] arr, int index1, int index2){
                int elem1 = arr[index1];
                int elem2 = arr[index2];
                arr[index1] = elem1;
                arr[index2] = elem2;
    }
}