text: // #######################################################################################################
  // #                                                                                                     #
  // #    Program Purpose: Concatenates two string except their first characters.                          #
  // #     Program Author: Happi Yvan <ivensteinpoker@gmail.com>                                           #
  // #       Program Date: November 4, 2019.                                                               #
  // #                                                                                                     #
  // #######################################################################################################
  
  let isString = function (strVal) {
      return typeof (strVal) == 'string';
  };
  
  let isEmpty = function (str) {
      return str.length === 0;
  };
  
  let concatTwoStingsRemoveFirstChar = function (strA, strB) {
      if (!isString(strA) || !isString(strB))
          throw new TypeError('Arguments must be strings');
      if (isEmpty(strA)) return strB.slice(1);
      if (isEmpty(strB)) return strA.slice(1);
  
      return strA.slice(1).concat(strB.slice(1));
  };
  
  let runTestCases = function () {
      let strA = "Testing";
      let strB = "";
      let strC = "king";
  
      console.log(`strA: ${strA} | strB: ${strB} | --> ${concatTwoStingsRemoveFirstChar(strA, strB)}`);
      console.log(`strA: ${strA} | strC: ${strC} | --> ${concatTwoStingsRemoveFirstChar(strA, strC)}`);
  };
  
  // Run the test cases now...
  runTestCases();