Knowledge of JavaScript
React is built on the basis of JavaScript. First of all, people who want to learn React need to understand how w...
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So same thing they needed to know in 2020, ok awesome! π
I would add as optional but highly recommended, knowing the principles of Clean Code and some understanding of how to apply a correct architecture to your project, in front-end we tend to hardcode more things like putting routes or literals directly in place instead of doing enums.
React is also about being clean and tidy :)
ok
Good read!
I just wanted to remark, having the React Context, the need for a state management library has significantly diminished in many cases.
specially the
useReducerhookYep,
ContextwithuseReducerwill work for 90% of apps.Few more things may be included to be 2020:
Not a word about architecting stuff to be app-like: offline-first mobile business work approach, pwa and eventual transition to RN, not Cordova/PhoneGap - if a native app is required.
Havenβt heard a word from Facebook about migrating the engine to WebAssembly.
All the design patterns and dependencies over addition in JavaScript is making the web bigger and bigger and slower. In production, sometimes the apps may be fast and optimized, but - How big is your node _modules?
96% of Node modules folder files are never use in production or development even there is so much junk in that folder, packages downloading their complete git history and 100s of files while you may need one 1 or 2 JavaScript files from it!
WebAssembly looks cool. There hasn't been much explanation about this silence you mention.
One of the reasons your class-based component was more complex than the functional one was that you unnecessarily used the function-argument form of setState(). You could have just used
onIncrement = () => this.setState(
{counter: this.state.counter + 1}
);
instead.
This could be buggy in some cases.
How so?
Because of the async nature.
If you spam the button it might only increment it by one, since the state at that point at the second click isn't updated yet.
Ah, got it, thanks!
Great post Matvey! Javascript is definitely a pre-requisite for learning React. One may struggle without jess fundamental js knowledge.
React Hooks are a powerful addition to functional components. No need to refactor functional components now in order to use lifecycle and state.
I find myself guilty of just jumping ReactJS when I first saw it, got too excited. Need to be better here. LOL π
I want to share this video as a supplement to this post, uploaded today-
Great article! I'ma take another look at MobX. I haven't used that in a year at least! I remember it being super Intuitive and easy to use.
Good read!
Interesting thanks
Youβre welcome
I'm using redux toolkit as my go to State Library but XState is going strong for state management as well. Definitely worth having a look.
Good read!
JS is definitely important to understand and know prior to learning React.
Arrow Function, map, filter, reduce and etc will help an engineer/developer code in reactjs.
Nice list ππ
It's important to mention about react context, it helps to behave as a state manager. And also is very interesting to mention their study about React Server components.
Wow, this is a great article. All React devs should know this stuff even in 2022
That feeling when you jumped to the Vue project one year ago and now like: "Redux Toolkit? Effector? New approaches again?". Kinda constant vibe of learning something new