XPathEvaluator: XPathEvaluator() constructor
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
| desktop | mobile | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
XPathEvaluator() constructor | |||||||||||