text: // https://leetcode.com/problems/concatenation-of-array/
  
  /**
   * 
   * Given an integer array nums of length n, you want 
   * to create an array ans of length 2n where ans[i] == nums[i] 
   * and ans[i + n] == nums[i] for 0 <= i < n (0-indexed).
   * 
   * Specifically, ans is the concatenation of two nums arrays.
   * 
   * Return the array ans.
   */
  
  /**
   * @param {number[]} nums
   * @return {number[]}
   */
   var getConcatenation = function(nums) {
      let newArray = [];
      
      for(let i = 0; i < nums.length; i++) {
          newArray[i] = nums[i];
          newArray[i + nums.length] = nums[i];
      }
      
      return newArray;
  };
  
  /**
   * @param {number[]} nums
   * @return {number[]}
   */
   var getConcatenation = function(nums) {
      return [ ...nums, ...nums]
  };
  
  
  