swap two consecutive array item javascript code example

Example 1: how to swap two elements in an array js

// Since ES6
[a[0], a[1]] = [a[1], a[0]]

Example 2: how to swap two elements in an array javascript

// Before ES6
const temp = a[x]; // NOT RECOMMENDED UNLESS COMPLETELY UNAVOIDABLE
a[x] = a[y];
a[y] = temp;