XPathEvaluator: XPathEvaluator() constructor
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The XPathEvaluator()
constructor creates a new XPathEvaluator
.
Syntax
js
new XPathEvaluator()
Parameters
None.
Return value
A new XPathEvaluator
object.
Examples
Count the number of <div>
elements
The following example shows the use of the XPathEvaluator
interface.
HTML
html
<div>XPath example</div>
<div>Number of <div> elements: <output></output></div>
JavaScript
js
const xpath = "//div";
const evaluator = new XPathEvaluator();
const expression = evaluator.createExpression(xpath);
const result = expression.evaluate(
document,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
);
document.querySelector("output").textContent = result.snapshotLength;
Result
Specifications
Specification |
---|
DOM Standard # dom-xpathevaluator-xpathevaluator |
Browser compatibility
BCD tables only load in the browser