The best approach in javascript is to use an array destructuring
let a = 10; let b = 20; [a, b] = [b, a]; console.log(a, b); 20, 10
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The best approach in javascript is to use an array destructuring
let a = 10;
let b = 20;
[a, b] = [b, a];
console.log(a, b);
20, 10