Gets an elements siblings, including the element itself.
Attempts to get the children through the element's parent first. If we don't have a parent (the element is a root node), we walk the element's prev & next to get all remaining nodes.
prev
next
Element to get the siblings of.
elem's siblings, including elem.
elem
Gets an elements siblings, including the element itself.
Attempts to get the children through the element's parent first. If we don't have a parent (the element is a root node), we walk the element's
prev&nextto get all remaining nodes.