Prototype : Prototype is a JavaScript Framework that aims to ease development of dynamic web applications.
Prototype

Overview
Prototype is a JavaScript Framework that aims to ease development of dynamic web applications. Featuring a unique, easy-to-use toolkit for class-driven development and the nicest Ajax library around, Prototype is quickly becoming the codebase of choice for web application developers everywhere.

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Features

  • Easy-to-use toolkit
  • Nicest Ajax library
  • Object-Oriented JavaScript framework
  • Cross-browser code
  • Coherent API