When comparing Element vs Dojo Toolkit, the Slant community recommends Dojo Toolkit for most people. In the question“What are the best Javascript UI Widget Toolkits?” Dojo Toolkit is ranked 3rd while Element is ranked 11th. The most important reason people chose Dojo Toolkit is:
Dojo Toolkit is a highly modular framework. It uses AMD modules and the module system is extremely powerful and easy to learn.
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Pros
Pro Good documentation
The documentation is per version and it has basic examples that are easy to understand.
Pro JQuery is not required
Pro It's light but not empty
You can find for example date picker, option box, Sliders, Carousel, and all the basics like grid layout etc.
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 Consistent and complete
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.
Cons
Con Needs Vue JS
This can be PRO if you already using Vue for your project.
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 No startup-function
When the dojo-javascript is loaded, it will directly run the application. No chance to intercept with the options