code: function isEmpty(obj) {
      if (!isExisty(obj) || _isEmptyString(obj)) {
          return true;
      }
  
      if (isArray(obj) || isArguments(obj)) {
          return obj.length === 0;
      }
  
      if (isObject(obj) && !isFunction(obj)) {
          return !_hasOwnProperty(obj);
      }
  
      return true;
  }
docs: Check whether the given variable is empty(null, undefined, or empty array, empty object) or not.<br>
  If the given variables is empty, return true.
  @param {*} obj - Target for checking
  @returns {boolean} Is empty?
  @memberof tui.util