TreeWalker.lastChild()

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

Syntax

node = treeWalker.lastChild();

Example

var treeWalker = document.createTreeWalker(
    document.body,
    NodeFilter.SHOW_ELEMENT,
    { acceptNode: function(node) { return NodeFilter.FILTER_ACCEPT; } },
    false
);
var node = treeWalker.lastChild(); // returns the last visible child of the root element

Specifications

Specification Status Comment
DOM
The definition of 'TreeWalker.lastChild' 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.lastChild' in that specification.
Obsolete Initial definition.

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
lastChildChrome Full support 1Edge Full support 12Firefox Full support 4IE Full support 9Opera Full support 9Safari Full support 3WebView Android Full support 3Chrome Android Full support YesFirefox Android Full support 4Opera Android Full support 10.1Safari iOS Full support 3Samsung Internet Android Full support Yes

Legend

Full support
Full support

See also