XPathResult: booleanValue property
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
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.
Examples
The following example shows the use of the booleanValue
property.
HTML
html
<div>XPath example</div>
<p>Text is 'XPath example': <output></output></p>
JavaScript
js
const xpath = "//div/text() = 'XPath example'";
const result = document.evaluate(
xpath,
document,
null,
XPathResult.BOOLEAN_TYPE,
null
);
document.querySelector("output").textContent = result.booleanValue;
Result
Specifications
Specification |
---|
DOM Standard # dom-xpathresult-booleanvalue |
Browser compatibility
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