The TreeWalker.nextNode() method moves the current Node to the next visible node in the document order, and returns the found node. If no such node exists, it returns null and the current node is not changed.
TreeWalker: nextNode() method
Syntax
js
nextNode()
Parameters
None.
Return value
A Node object or null.
Examples
js
const treeWalker = document.createTreeWalker(
document.body,
NodeFilter.SHOW_ELEMENT,
{
acceptNode(node) {
return NodeFilter.FILTER_ACCEPT;
},
},
false,
);
const node = treeWalker.nextNode(); // returns the first child of root, as it is the next node in document order
Specifications
| Specification |
|---|
| DOM Standard # dom-treewalker-nextnode |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
nextNode |
1 | 12 | 4 | 9 | 9 | 3 | 3 | 18 | 4 | 10.1 | 3 | 1.0 |
See also
- The
TreeWalkerinterface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/TreeWalker/nextNode