code: function findAll(window, sels) {
      const document = window.document;
  
      // Unwrap noscript elements.
      const elements = document.getElementsByTagName('noscript');
      Array.prototype.forEach.call(elements, (ns) => {
          const wrapper = document.createElement('div');
          wrapper.innerHTML = ns.textContent;
          // Insert each child of the <noscript> as its sibling
          Array.prototype.forEach.call(wrapper.children, (child) => {
              ns.parentNode.insertBefore(child, ns);
          });
      });
  
      // Do the filtering.
      return sels.filter((selector) => {
          try {
              return document.querySelector(selector);
          } catch (e) {
              return true;
          }
      });
  }
docs: Filter unused selectors.
  @param  {Object}  window A jsdom window
  @param  {Array}   sels   List of selectors to be filtered
  @return {Array}