Javascript front-end framework are really new (3 years old) compare to web frameworks. The need is also quite different. There was a need for a Javascript frame

Javascript front-end framework are really new (3 years old) compare to web frameworks. The need is also quite different. There was a need for a Javascript framework and we can say that jQuery won the battle. We will have to wait few more years to see most of the web app running with a Javascript front-end framework, then you will maybe have a winner!