Comparison of JavaScript MVC/mvvm frameworks, angularjs vs backbone vs knockout

Angularjspros

-Uses primitive JavaScript types instead of function wrappers ("Dirty checking ")
-Loaded with functionality
-Easy to get started
-Fast development and smaller amounts of boiler-plate code compared to Backbone
-Makes testing easy and offers plugin testing tools
-Working with standards bodies to make browsers operate in the same way as angular

Backbonepros

-Relatively mature, proven framework with a strong community behind it
-Extends extensions and scaffolding tools available
-Flexible, works fine for a new project or improving an existing one

Knockoutpros

-Highly compatible with other 3rd party JS Libraries
-Easy to learn and use
-Dependencies are handled through a dependency graph which targets specific data as opposed to updating entire models when data changes like in angular. JS. this may increase performance in data-heavy applications compared to "dirt checking" which angular uses.

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