Prototype JavaScript Framework
Computer program
The Prototype JavaScript Framework is a JavaScript framework created by Sam Stephenson in February 2005 as part of Ajax support in Ruby on Rails. It is implemented as a single file of JavaScript code, usually named prototype.js. Wikipedia
Developer(s): Prototype Core Team
Initial release: February 2005; 19 years ago
Stable release: 1.7.3 / September 22, 2015; 8 years ago