[codility] CyclicRotation

CyclicRotation.js

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A, K) {
    let arr = [];
    // write your code in JavaScript (Node.js 8.9.4)
    if(A.length === K || K === 0 || A.length === 0){
        return A;
    }
    for(let i = 0 ; i < K ; i ++ ){
        let pre = [];
        pre[0] = A.pop();
        A = pre.concat(A);
    }
    return A;
}