DOMTreeWalker.PreviousSibling

PreviousSibling()Type: DOMAttribute, DOMDocument, DOMElement, DOMDocumentType, DOMNotation, DOMEntity, DOMDocumentFragment, DOMText, DOMComment, DOMCDATASection, DOMProcessingInstruction, DOMEntityReference, XPathNamespace; Undefined.
If these are absent, iterator does not move and returns Undefined.Performs a switch to the previous sibling node. Iterator moves to the previous sibling of the current node that meets node filter conditions.
Server, thick client, external connection, Mobile application (server).

---