Baseline Widely available
The XPathEvaluator interface allows to compile and evaluate XPath expressions.
XPathEvaluator()
Creates a new XPathEvaluator object.
XPathEvaluator.createExpression()
Creates a parsed XPath expression with resolved namespaces.
XPathEvaluator.createNSResolver() Deprecated
Returns the input as-is.
XPathEvaluator.evaluate()
Evaluates an XPath expression string and returns a result of the specified type if possible.
<div> elements
The following example shows the use of the XPathEvaluator interface.
<div>XPath example</div>
<div>Number of <div> elements: <output></output></div>
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;
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