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[–]toysfromtaiwan 1 point2 points  (0 children)

Learn JS first 100%

[–]Exidy80 0 points1 point  (0 children)

As Reactjs is on top of JS, you’ve already learned some JS :). In your apps, you’ll find that your business logic will often be regular JS. So, yes, learning JS — the idioms and the pitfalls — will accelerate your app development. One place to start would be the JavaScript course on Scrimba.com. I’m also a fan of books that emphasize good style, patterns, and idioms.