As I see there are a huge number of JS frameworks out there.
Here are a few of the many who were suggested to me from js developers:
[b]Well in a quick view they seem all good with their pros and cons but the main question to yii community is:
Is there a js framework that resembles some of the logic of yii?
A js framework that is easy to place side by side with yii and find similarities.
In other words, a js framework which you can learn fast if you already are a yii developer.[/b]