Angular taps into some of the best aspects of server-side development and uses them to enhance HTML in the browser, creating a foundation that makes building rich applications simpler and easier. Angular applications are built around a clear design pattern that emphasizes creating applications that are
Extendable: It is easy to figure out how even a complex Angular app works once you understand the basics—and that means you can easily enhance applications to create new and useful features for your users.
Maintainable: Angular apps are easy to debug and fix, which means that long-term maintenance is simplified.
Testable ...
