TreeWalker: parentNode() method
The TreeWalker.parentNode()
method moves the current
Node
to the first visible ancestor node in the document order,
and returns the found node. If no such node exists, or if it is above the
TreeWalker
's root node, it returns null
and the current
node is not changed.
Syntax
js
parentNode()
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.parentNode(); // returns null as there is no parent
Specifications
Specification |
---|
DOM Standard # dom-treewalker-parentnode |
Browser compatibility
BCD tables only load in the browser
See also
- The
TreeWalker
interface it belongs to.