I mean a pure js usage, without frameworks etc. Ok, maybe jquery to perform ajax requests, because they're messy, but other things can be done with pure js. Like, creating a component using prototypes and native dom manipulation etc. Just to try it out. Check out this: vanilla-js.com
or rather than jQuery for ajax look at fetch - all the goodness of modern vanilla JS, with a great polyfill, and none of the jQuery bloat :)
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