Array_traversal

gistfile1.txt

var N = 4;
var arr = [1, 2, 3, 4, 5, 6];

function traversal(arr, N){
    
    if(arr.length == 0){
        return;
    }
    
    else if(arr.length ==1){
        return ;
    }
        
        
    
     var final_arr = arr.slice(arr.length - N, arr.length);
     var final_arr2 = arr.slice(0, arr.length - N);
     var final = final_arr.concat(final_arr2);
     

     return final;
    
}


var f = traversal(arr,N);
console.log(f);