Concepts

The XML Path Language (XPath) provides a language for addressing parts of an XML document. This section introduces some of the fundamental concepts pertinent to XPath and its use with XSLT and other forms of XML-based programming.

• Introduction to the XPath Tree Model
• Basic Syntax of XPath Expressions
• Understanding XPath Usage in XSLT
• Using XPath with the DOM
• Context and Navigation in XPath
• Navigating XML Data Using XPath Axes
• Filtering XML Data Using XPath Predicates
• Using Functions in XPath Expressions
• Useful Patterns for XPath Expressions