TreeWalker: parentNode() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

TheTreeWalker.parentNode() method moves the currentNode to the firstvisible ancestor node in the document order,and returns the found node. If no such node exists, or if it is above theTreeWalker'sroot node, it returnsnull and the currentnode is not changed.

Syntax

parentNode()

Parameters

None.

Return value

ANode object ornull.

Examples

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