http://www.prototypejs.org/download prototype1.6官方下载
脚本之家下载地址
learn about what's new in version 1.6.
prototype svnif you want the full development package (including unit tests), you can use subversion to checkout the source code:
svn co http://svn.rubyonrails.org/rails/spinoffs/prototype/trunk prototype
build the distribution with rake dist and find more details about this in the contribution guide.
archivesdownload prototype 1.5.1.1 (june 19, 2007) download prototype 1.5.1 (may 1, 2007) download prototype 1.5.0 (january 18, 2007)