I am not sure about that implication about knowing JavaScript if React is known (anymore). I would have agreed with you until recently when I was introduced to a developer who supposedly knew React but that needed to be explained some rather basic JavaScript principles. That developer seemed to have come quite some way by being able to stitch React components together without actually knowing what's going on underneath.
While true, it's also true that frameworks are a gateway to language learning.
Back in the day, mid-2000s, I was able to stitch together a pretty decent (at the time) web app using Ruby on Rails despite not knowing the Ruby language very well. Using RoR was a gateway to learning Ruby.
I think the same applies with things like React. It's a gateway for some to learning JS. I'm all for whatever gets people in the game.
I believe frameworks can be a gateway to learning the basics, but still I don't believe that only knowing the framework makes you a professional developer that someone would want to hire. The main point that I answered to was "If you provide a framework when looking for engineers, you will know that they at least are capable in that framework, which implies that they know HTML, CSS, JS."
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I am not sure about that implication about knowing JavaScript if React is known (anymore). I would have agreed with you until recently when I was introduced to a developer who supposedly knew React but that needed to be explained some rather basic JavaScript principles. That developer seemed to have come quite some way by being able to stitch React components together without actually knowing what's going on underneath.
That is just sad, frameworks should be icing on the knowledge of HTML, CSS, JS, not a replacement.
Couldn't agree more.
While true, it's also true that frameworks are a gateway to language learning.
Back in the day, mid-2000s, I was able to stitch together a pretty decent (at the time) web app using Ruby on Rails despite not knowing the Ruby language very well. Using RoR was a gateway to learning Ruby.
I think the same applies with things like React. It's a gateway for some to learning JS. I'm all for whatever gets people in the game.
I believe frameworks can be a gateway to learning the basics, but still I don't believe that only knowing the framework makes you a professional developer that someone would want to hire. The main point that I answered to was "If you provide a framework when looking for engineers, you will know that they at least are capable in that framework, which implies that they know HTML, CSS, JS."