Comment by recursive
Neither react's JSX nor vue's template language are HTML. But rejecting vue's template on grounds that it's not HTML seems odd. React's JSX deviates from HTML in many ways. Like class vs className. XML self-closing vs HTML self-closing. onchange vs oninput. On purely aesthetic grounds, I can't understand how the react idiom of array.map() would ever be preferable to an affordance in the (non-HTML) template language for handling this normal standard thing that always happens.
it's not about feigning html purity it's the opposite. Why pretend we're using HTML when it's not? so with react it becomes a js flavor, jsx, which some people hate but it's very clear that it's a made up language IN real javascript.
edit: the mental model is instant: it's just javascript for reals. do anything you want in javascript using real js primitives. it's not about looking pretty, jsx doesn't. it's about not relearning basic programming primitives in a made up _markup_ language.
my issue with angular is it's neither real html nor any programming language. its made up pseudo-programming language for no other reason than it fools people into thinking "it's just HTML". that's my gripe.