TreeWalker: lastChild() method

The TreeWalker.lastChild() method moves the current Node to the last visible child of the current node, and returns the found child. If no such child exists, it returns null and the current node is not changed.

Syntax

js
lastChild()

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;
    },
  },
);
const node = treeWalker.lastChild(); // returns the last visible child of the root element

Specifications

Specification
DOM Standard
# dom-treewalker-lastchild

Browser compatibility

desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
lastChild

See also