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The TreeWalker.parentNode() method moves the current Node to the first visible ancestor node in the document order, and returns the found 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.


node = treeWalker.parentNode();


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


Specification Status Comment
The definition of 'TreeWalker.parentNode' in that specification.
Living Standard No change from Document Object Model (DOM) Level 2 Traversal and Range Specification
Document Object Model (DOM) Level 2 Traversal and Range Specification
The definition of 'TreeWalker.parentNode' in that specification.
Obsolete Initial definition.

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 1.0 (Yes) 2.0 (1.8.1) 9.0 9.0 3.0
Feature Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) 1.0 (1.8.1) (Yes) 9.0 3.0

See also

Document Tags and Contributors

 Last updated by: erikadoyle,