A Appendix: Upgrading from AngularJS to Angular

AngularJS (version 1.x) is one of the most popular and most-used frameworks of all time, and many applications built with it are still running today. It continues to be supported as long as there is a critical mass of developers submitting issues and patches, but the future is certainly to be found in upgrading to Angular (2.x or newer). This appendix talks about the strategies for moving forward with an existing AngularJS application and aims to help clarify the options you have when deciding your next move.

Upgrading to Angular requires an investment and a plan. There are many conceptual similarities between the two, but Angular was a total rewrite from AngularJS and changes some important ...

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