EXAMS - Cyclic Rotation

cyclic_rotation.js

function solution(A, K) {
    // write your code in JavaScript (Node.js 6.4.0)
    var TMP = A;
    
    for (var i=0; i<K; i++) {
    
       var PART = TMP.slice(1, -1);
       var FIRST = TMP.slice(0, 1);
       var LAST = TMP.slice(-1);
        
       TMP = LAST.concat(FIRST).concat(PART);
    }
    
    return TMP.filter((value, index, self) => self.indexOf(value) === index);
}