XPathResult.numberValue
The read-only numberValue property of the
XPathResult interface returns the numeric value of a result with
XPathResult.resultType being NUMBER_TYPE.
Note: This feature is available in Web Workers
Syntax
var value = result.numberValue;
Return value
The return value is the numeric value of the XPathResult returned by
Document.evaluate().
Exceptions
TYPE_ERR
In case XPathResult.resultType is not NUMBER_TYPE, an
XPathException of type TYPE_ERR is thrown.
Example
The following example shows the use of the numberValue property.
HTML
<div>XPath example</div>
<div>Number of <div>s: <output></output></div>
JavaScript
var xpath = "count(//div)";
var result = document.evaluate(xpath, document, null, XPathResult.NUMBER_TYPE, null);
document.querySelector("output").textContent = result.numberValue;
Result
Specifications
| Specification |
|---|
| DOM Standard # dom-xpathresult-numbervalue |
Browser compatibility
BCD tables only load in the browser