Baseline Widely available
Note: This feature is available in Web Workers.
The read-only booleanValue property of the XPathResult interface returns the boolean value of a result with XPathResult.resultType being BOOLEAN_TYPE.
The return value is the boolean value of the XPathResult returned by Document.evaluate().
In case XPathResult.resultType is not BOOLEAN_TYPE, a DOMException of type TYPE_ERR is thrown.
The following example shows the use of the booleanValue property.
<div>XPath example</div>
<p>Text is 'XPath example': <output></output></p>
const xpath = "//div/text() = 'XPath example'";
const result = document.evaluate(
xpath,
document,
null,
XPathResult.BOOLEAN_TYPE,
null,
);
document.querySelector("output").textContent = result.booleanValue;
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