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
.
Note: This feature is available in Web Workers.
Syntax
var value = result.singleNodeValue;
Return 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.
Example
The following example shows the use of the singleNodeValue
property.
HTML
<div>XPath example</div>
<div>Tag name of the element having the text content 'XPath example': <output></output></div>
JavaScript
var xpath = "//*[text()='XPath example']";
var result = document.evaluate(xpath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
document.querySelector("output").textContent = result.singleNodeValue.localName;
Result
Specifications
Specification | Status | Comment |
Document Object Model (DOM) Level 3 XPath SpecificationThe definition of 'XPathResult.singleNodeValue' in that specification. | Recommendation | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
No compatibility data found. Please contribute data for "api.XPathResult.singleNodeValue" (depth: 1) to the MDN compatibility data repository.
XPathResult.singleNodeValue by Mozilla Contributors is licensed under CC-BY-SA 2.5.