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Should I learn AngularJS 1.5 instead of AngularJS 2 if I don't know TypeScript?
Okay, that's good to know. Are there any downsides to learning AngularJS 1.5 instead of AngularJS 2?
One of the main drawbacks of learning AngularJS 1.5 is that it is now considered obsolete, which means that there will be fewer job opportunities available for developers who only know this version. Additionally, AngularJS 1.5 lacks some of the advanced features and performance improvements of AngularJS 2, so it may not be the best choice if you are looking to develop high-performance, complex web applications.