code: function isHTMLTag(html) {
      if (typeof HTMLElement === 'object') {
          return (html && (html instanceof HTMLElement));
      }
  
      return !!(html && html.nodeType && html.nodeType === 1);
  }
docs: Check whether the given variable is a HTML tag or not.<br>
  If the given variables is a HTML tag, return true.
  @param {*} html - Target for checking
  @returns {Boolean} Is HTML tag?
  @memberof tui.util