matchesExclude(el) {
    return DOMIterator.matches(el, this.opt.exclude.concat([
      // ignores the elements itself, not their childrens (selector *)
      'script', 'style', 'title', 'head', 'html'
    ]));
  }
Checks if an element matches any of the specified exclude selectors. Also
it checks for elements in which no marks should be performed (e.g.
script and style tags) and optionally already marked elements
@param  {HTMLElement} el - The element to check
@return {boolean}
@access protected