how to return swap variable in javascript code example
Example 1: javascript swap variables
var a = 5;
var b = 3;
[a, b] = [b, a];
Example 2: swap function javascript
let a = 1;
let b = 2;
[a, b] = [b, a];
a; // => 2
b; // => 1
var a = 5;
var b = 3;
[a, b] = [b, a];
let a = 1;
let b = 2;
[a, b] = [b, a];
a; // => 2
b; // => 1