Ranked in these QuestionsQuestion Ranking
Pro Consistent and complete
Pro Highly modular
Dojo Toolkit is a highly modular framework. It uses AMD modules and the module system is extremely powerful and easy to learn.
Pro Not only web apps
Dojo is not used only for web development. The widgets featured in Dojo can also be used to create mobile user interfaces.
Pro Cross-browser compatibility
jQuery UI, like jQuery has great cross-browser and backward compatibility with the most popular browsers on the market.
Pro Globalization support
jQuery UI has internationalization (globalization) support.
Con Not able to keep up with the future of the web
The web is moving towards web components, something that Dojo does not implement. In its current state Dojo badly needs more abstraction and it also needs to provide some form of modern application architecture.
Con Integrated first-party loader makes interoperability extremely difficult
Con Slow development
jQuery UI development is rather slow and new features or components are not released frequently.