previousSibling method

發行項
05/02/2017

Retrieves the previous sibling of the current node in the filtered TreeWalker hierarchy and updates IDOMTreeWalker::currentNode.

Syntax

HRESULT retVal = object.previousSibling(oNode);

Parameters

oNode [out, retval]
Type: Node

Object that receives the previous child of a parent node in the filtered TreeWalker hierarchy.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Standards information

Document Object Model (DOM) Level 2 Traversal and Range Specification, Section 1.2

Remarks

IDOMTreeWalker::previousSibling sets the IDOMTreeWalker::currentNode to the returned node. It returns NULL if there are no more child nodes.