Rotate the elements in an array in JavaScript

Question

I was wondering what was the most efficient way to rotate a JavaScript array.

I came up with this solution, where a positive n rotates the array to the

Answer 1

** Using Latest version of JS we can build it every easily **

 Array.prototype.rotateLeft = function (n) {
   this.unshift(...this.splice(-(n), n));
    return this
  }

here moves: number of rotations ,a Array that you can pass random number

let a = [1, 2, 3, 4, 5, 6, 7];
let moves = 4;
let output = a.rotateLeft(moves);
console.log("Result:", output)