Comparing Rhino with NodeJS is not exactly fair since NodeJS is a server-side JavaScript engine while Rhino is just a JS engine. You should compare V8 with Rhi

Comparing Rhino with NodeJS is not exactly fair since NodeJS is a server-side JavaScript engine while Rhino is just a JS engine. You should compare V8 with Rhino, or NodeJS with RingoJS (one example for the later: http://www.erbix.com/documentation/overview/nodejs/ http://www.erbix.com/documentation/overview/nodejs/ ).