XPathResult.singleNodeValue
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
.
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 |
---|
DOM Standard # dom-xpathresult-singlenodevalue |
Browser compatibility
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