http://www.prototypejs.org/download Prototype1.6官方下载
Learn about what's new in version 1.6.
If you want the full development package (including unit tests), you can use Subversion to checkout the source code:
<code class="">svn co http://svn.rubyonrails.org/rails/spinoffs/prototype/trunk prototype</code>
Build the distribution with <font face="NSimsun">rake dist</font> and find more details about this in the contribution guide.
