code: function getNextSiblings(el, siblings = []) {
      const nextSibling = el.nextSibling;
  
      if (!nextSibling) {
          return siblings;
      }
  
      siblings.push(nextSibling);
  
      return getNextSiblings(nextSibling, siblings);
  }
docs: recursive function to get next sibling nodes of given element