/**
 * @param {number[]} nums1
 * @param {number[]} nums2
 * @return {number}
 */
var findMedianSortedArrays = function(nums1, nums2) {
  
  var merged = mergeSortedArrays(nums1, nums2);
  var median = 0;
  
  if (merged.length % 2 === 0){
    var index1 = Math.floor( (merged.length-1) / 2);
    var index2 = index1 + 1;
    median = ( (merged[index1] + merged[index2]) / 2);
  } else {
    var index = Math.floor( (merged.length) / 2);
    median = merged[index];
  }
  
  return median;
  
};

function mergeSortedArrays(sorted1, sorted2){
  
  var merged = [];
  
  while(sorted1.length > 0 || sorted2.length > 0){
    if (sorted1.length === 0){
      merged.push(sorted2.shift());
      continue;
    }
    
    if (sorted2.length === 0){
      merged.push(sorted1.shift());
      continue;
    }
    
    if (sorted1[0] > sorted2[0]){
      merged.push(sorted2.shift());
    } else {
      merged.push(sorted1.shift());
    }
  }
  
  return merged;
}