Front-end developers will relate…
What you should learn to be successful in this industry? What Frameworks you should focus on?
There is a lot to learn and many technologies you would want to adopt.
Here is a roadmap demonstrating the paths that you can take and the technologies that you would want to adopt for your career progress.
The best advice can be given to you is do not limit yourself. To be a good developer, what you need is a good understanding of the development process from A to Z and an open mind for learning new things every day. If you narrow your mind then you already closed many doors and opportunities.