array-rotation-javascript.js

function solution(A, K) {
    var result = [],
        i = 0,
        j = 0;
    
    if (A.length === 0) {
      return A;
    }

    if (K > A.length) {
        K = K % A.length;
    } 
 
    for(i; i < K; i++){
        result[i] = A[A.length - K + i];
    }
     
    for(i = K; i < A.length; i++){
        result[i] = A[j];
        j++;
    }
     
    A = result.slice();
    
    return A;
    
}