simple_programming_problem_lists_strings_10: Alternating Arrays

alternating_arrays_problem

var arr1 = ['a','b','c'];
var arr2 = ['r','t','z','f'];

var alternateArray = function(a, b) {
  var i = 0, result = [];
  while(a[i] || b[i]) {
    if(a[i]){
      result.push(a[i]);
    }
    if(b[i]){
      result.push(b[i]);
    }
    i++;
  }
  console.log(result);
  return result;
};

alternateArray(arr1,arr2);