XPathResult: singleNodeValue property
The read-only singleNodeValue
property of the
XPathResult
interface returns a Node
value or
null
in case no node was matched of a result with
XPathResult.resultType
being ANY_UNORDERED_NODE_TYPE
or
FIRST_ORDERED_NODE_TYPE
.
Value
The return value is the Node
value of the XPathResult
returned by Document.evaluate()
.
Exceptions
TYPE_ERR
In case XPathResult.resultType
is not
ANY_UNORDERED_NODE_TYPE
or FIRST_ORDERED_NODE_TYPE
, an
XPathException
of type TYPE_ERR
is thrown.
Examples
The following example shows the use of the singleNodeValue
property.
HTML
html
<div>XPath example</div>
<div>
Tag name of the element having the text content 'XPath example':
<output></output>
</div>
JavaScript
js
const xpath = "//*[text()='XPath example']";
const result = document.evaluate(
xpath,
document,
null,
XPathResult.FIRST_ORDERED_NODE_TYPE,
null
);
document.querySelector("output").textContent = result.singleNodeValue.localName;
Result
Specifications
Specification |
---|
DOM Standard # dom-xpathresult-singlenodevalue |
Browser compatibility
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