how to swap in javascript code example

Example 1: javascript swap two variables

[a, b] = [b, a];

Example 2: javascript swap variables

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

Example 3: js swap

dmitripavlutin.com › swap-variables-javascript

Example 4: swap function javascript

let a = 1;
let b = 2;

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