📚swap

let a = 1;
let b = 2;
let c = 3;
console.log(a, b, c);

console.log("a, b swap");
[a, b] = [b, a]
console.log(a, b, c);

console.log("init");
a = 1;
b = 2;
c = 3;
console.log(a, b, c);

console.log("a, b, c swap");
[a, b, c] = [b, c, a];
console.log(a, b, c);