Latest stable version
You can browse the source code at our GitHub repository.
If you want the full development package (including unit tests), you can use Git to clone the source code:
git clone git://github.com/sstephenson/prototype.git
Build the complete “prototype.js” file with the
rake dist command. You can find more details about this in the contribution guide.
The latest version of Prototype is compatible with the following browsers:
|Mozilla Firefox||≥ 1.5|
|Microsoft Internet Explorer for Windows||≥ 6.0|
|Apple Safari||≥ 2.0.4|
|Google Chrome||≥ 1.0|
- Download Prototype 1.6.1 (September 1st, 2009)
- Download Prototype 126.96.36.199 (September 29, 2008)
- Download Prototype 188.8.131.52 (January 25, 2008)
- Download Prototype 1.6.0 (November 7, 2007)