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TreeWalker: nextSibling() 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.

The TreeWalker.nextSibling() method moves the current Node to its next sibling, if any, and returns the found sibling. If there is no such node, it returns null and the current node is not changed.

Syntax

nextSibling()

Parameters

None.

Return value

A Node object or null.

Examples

const treeWalker = document.createTreeWalker(
  document.body,
  NodeFilter.SHOW_ELEMENT,
  {
    acceptNode(node) {
      return NodeFilter.FILTER_ACCEPT;
    },
  },
  false,
);
treeWalker.firstChild();
const node = treeWalker.nextSibling(); // returns null if the first child of the root element has no sibling

Specifications

Specification
DOM> # dom-treewalker-nextsibling>

Browser compatibility

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	WebView on iOS
`nextSibling`	1	12	4	9	3	18	4	10.1	3	1.0	3	3