XPathResult.numberValue

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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 &lt;div&gt;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

No compatibility data found. Please contribute data for "api.XPathResult.numberValue" (depth: 1) to the MDN compatibility data repository.

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