JSFiddle - React, Tailwind, and code Playground

by Jessie Lau

HTML

arr, num (how many element shift to the end)

JavaScript

function shifting(arr) {
    var first = arr[0];
    for (var i = 0; i < arr.length-1; i++) {
       arr[i] = arr[i+1];
    }
    arr[arr.length-1] = first;
    return arr;
}

console.log(shifting([1,2,3,4,5,6]));