These "flavour of the month" examples have been around and solid for over 5 years now. For evaluating the differences between frameworks, pick a simple project

These "flavour of the month" examples have been around and solid for over 5 years now. For evaluating the differences between frameworks, pick a simple project and implement it in each framework. In my own experience, I rewrote my personal blog from HTML to React - and that was enough to land my first React job. To keep learning, I kept making side projects in React while employed full time.