parentNode

Summary

Retrieves the parent object in the document hierarchy relative to the current node and updates currentNode.

Method of dom/TreeWalkerdom/TreeWalker

Syntax

var node = treewalker.parentNode();

Return Value

Returns an object of type DOM NodeDOM Node

Object that receives the parent node in the filtered TreeWalker hierarchy.

Examples

var treewalker = document.createTreeWalker(
    document.body,
    NodeFilter.SHOW_ELEMENT,
    { acceptNode: function(node) { return NodeFilter.FILTER_ACCEPT; } },
    false
);
var node = treewalker.parentNode(); // returns null as there is no parent

Notes

Remarks

parentNode sets the currentNode to the returned node.

If no such node exists, or if it is above the TreeWalker's root node, returns null and the current node is not changed.

Syntax

Standards information

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

Related specifications

DOM

Living Standard

Attributions

• Mozilla Developer Network : [TreeWalker.parentNode Article

• Microsoft Developer Network: [parentNode Method Article]