Overview > org.w3c.dom.xpath > XPathEvaluator > createExpression
Version 0.1.3 Overview Index Tree Deprecated
org.w3c.dom.xpath.XPathEvaluator.createExpression
method
public createExpression(expression as String, resolver as XPathNSResolver) as XPathExpression throws XPathException, DOMException
Description

Creates a reusable compiled XPath expression.

Parameters
ParameterDescription
expressionXPath expression text.
resolverNamespace resolver, or null when no prefixes are used.
Returns

Compiled expression.

Throws
  • XPathException if the expression is invalid.
  • DOMException if namespace resolution fails.
Example
compiled = evaluator.createExpression("//item", null)