This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The TreeWalker.currentNode property represents the Node which the TreeWalker is currently pointing at.
A Node.
const treeWalker = document.createTreeWalker(
document.body,
NodeFilter.SHOW_ELEMENT,
{
acceptNode(node) {
return NodeFilter.FILTER_ACCEPT;
},
},
);
root = treeWalker.currentNode; // the root element as it is the first element!
| Specification |
|---|
| DOM> # dom-treewalker-currentnode> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
currentNode |
1 | 12 | 4 | 9 | 3 | 18 | 4 | 10.1 | 3 | 1.0 | 3 | 3 |
TreeWalker interface.
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/TreeWalker/currentNode