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 | Status | Comment |
---|---|---|
Document Object Model (DOM) Level 3 XPath Specification The definition of 'XPathResult.numberValue' 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.numberValue" (depth: 1) to the MDN compatibility data repository.