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Prototype Tips and Tutorials

API Reference

The documentation for the latest stable version of Prototype will always be located at http://api.prototypejs.org.

Tutorials

This area contains narrative documentation you can use to discover Prototype.

• Defining classes and inheritance

  Learn how to define classes and subclasses in Prototype and how to make supercalls.

• How Prototype extends the DOM

  Learn how Prototype adds custom methods to DOM element nodes — and how you can define your own custom methods.

• Introduction to Ajax

  Learn how Prototype simplifies the most common kinds of Ajax requests.

• Introduction to JSON

  Learn about Prototype's support for JSON encoding and decoding.

• Event delegation

  Learn about Prototype's support for event delegation: an advanced technique for event-driven programming.

• Measuring elements' dimensions and offsets

  Learn how Prototype makes it easy to get pixel measurements of elements.