The read-only booleanValue
property of the XPathResult
interface returns the boolean value of a result with XPathResult.resultType
being BOOLEAN_TYPE
.
Note: This feature is available in Web Workers.
Syntax
var value = result.booleanValue;
Return value
The return value is the boolean value of the XPathResult
returned by Document.evaluate()
.
Exceptions
TYPE_ERR
In case XPathResult.resultType
is not BOOLEAN_TYPE
, an XPathException
of type TYPE_ERR
is thrown.
Example
The following example shows the use of the booleanValue
property.
HTML
<div>XPath example</div>
<p>Text is 'XPath example': <output></output></p>
JavaScript
var xpath = "//div/text() = 'XPath example'";
var result = document.evaluate(xpath, document, null, XPathResult.BOOLEAN_TYPE, null);
document.querySelector("output").textContent = result.booleanValue;
Result
Specifications
Specification | Status | Comment |
Document Object Model (DOM) Level 3 XPath SpecificationThe definition of 'XPathResult.booleanValue' 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.booleanValue" (depth: 1) to the MDN compatibility data repository.
XPathResult.booleanValue by Mozilla Contributors is licensed under CC-BY-SA 2.5.