XML
Learn how XML structures data: elements, attributes, namespaces, and querying documents with XPath. Every example is checked by a real XML parser as you run it.
- 2 modules
- 8 lessons
- 32 runnable examples
- Beginner
Getting started
The rules of a well-formed document.
Working with XML
Querying and validating.
XML quiz
Ten questions drawn at random from 23, with an explanation after every answer. Score 70% to pass; a perfect round earns a badge.
- Treasure Quest
Sail across eight islands. Each one asks a question; lose three hearts and it's back to port.
- Speed Run
Sixty seconds on the clock. Every right answer scores, and a wrong one costs five seconds.
- Code Puzzle
Real code from the lessons, shuffled line by line. Put it back in the right order.