Use array destructuring to swap a and b.
// 2. Swap Variables
// Use array destructuring to swap a and b.
let a = 5;
let b = 10;
console.log("~ Before swaping")
console.log("a - " + a);
console.log("b - " + b);
// using destructuring
[a , b] = [10, 5];
console.log("~ After swaping")
console.log("a - " + a);
console.log("b - " + b);