XPathResult: numberValue property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The read-only numberValue property of the
XPathResult interface returns the numeric value of a result with
XPathResult.resultType being NUMBER_TYPE.
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, a
DOMException of type TYPE_ERR is thrown.
Examples
The following example shows the use of the numberValue property.
HTML
html
<div>XPath example</div>
<div>Number of <div>s: <output></output></div>
JavaScript
js
const xpath = "count(//div)";
const result = document.evaluate(
xpath,
document,
null,
XPathResult.NUMBER_TYPE,
null,
);
document.querySelector("output").textContent = result.numberValue;
Result
Specifications
| Specification |
|---|
| DOM # dom-xpathresult-numbervalue |
Browser compatibility
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