React is pretty universal at this point. Seems like Vue is a second followed by a smattering of other libs. You should learn React. Everyone (including non-web

React is pretty universal at this point. Seems like Vue is a second followed by a smattering of other libs. You should learn React. Everyone (including non-web devs) should probably have a basic understanding of React state management. Back in the day when JQuery was the top library, everyone was free to use whatever lib they wanted (and things besides jQuery were better for certain things), but it was also somewhat expected that everyone would have some experience, even in passing, of jQuery.