swap function in js code example

Example 1: swap function javascript

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

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

Example 2: javascript swap variables

var a = 5;
var b = 3;
[a, b] = [b, a];

Example 3: swap function javascript

let a = 1;
let b = 2;

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

Example 4: swap function javascript

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

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