HowToCodePage

XPath

Addressing nodes inside an XML document.

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This course has 3 lessons. Start with the first one and use the next / previous links at the bottom of each lesson — the sidebar keeps the whole course in order.

Lessons

  1. Location paths and axesThe XPath data model, absolute and relative paths, the axes you will actually use, and node tests that select the right node type.
  2. Predicates and functionsFiltering node-sets with predicates, positional versus value tests, and the string, number and boolean functions you will use most.
  3. XPath in XSLT and in codeHow XPath drives XSLT select and match attributes, and the same expressions in Python, Java, JavaScript and the shell.

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Last refreshed 2026-09-17.