code: function randomBetween() {
      var min = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
      var max = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 10;
  
      if (!isNumber(min) || isNumericalNaN(min)) {
          throw new TypeError('Min should be numeric');
      }
  
      if (!isNumber(max) || isNumericalNaN(max)) {
          throw new TypeError('Max should be numeric');
      }
  
      return Math.random() * max + min;
  }
docs: Generate random between min and max