I remember in ~2013 telling someone who was getting into web design that they should also focus on learning JavaScript, or even CoffeeScript, because just HTML and CSS weren't going to cut it in the future.
I also remember getting into a discussion with a manager in ~2018 who opined that they liked the fact that front end development now meant having to understand JavaScript, and things like React, because it meant they could hire "real engineers" for the front end.
I'm not a fan of that trend, and still kind of lament that a lot of people were forced out of web development because they didn't see the writing on the wall. And I can't really blame them, because at the time, schools were still selling students on web dev & design tracts that strayed away from traditional CS, and focused more on HTML, CSS and UI/UX over programming.