How much Javascript you should know before start React JS #coderslife #motivation #coding #codelife

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How much Javascript should you know before learning React ⚛️

React is a frontend library for developing JavaScript for browsers, therefore it makes sense to have a good grasp of Javascript first right?

Outside of the basics of JS, such as data types, variables, functions etc, here’s a few topics to make sure you have a good grasp on:

1️⃣ Modules, import, export ⚙️

When working with React, you create your components in separate files, needing to compose them all together, including importing/exporting elements from one to another. Understanding how modules work is key!

2️⃣ Fluency with Array/Object methods 📚

Regardless of your app, you’re usually going to have to work with data of some sort, and operating on that data. Get familiar with array methods such as map, filter, reduce and immutable paradigms, as well as iterating objects as well.

3️⃣ Asynchronous Javascript 🔮

Learn how callbacks and promises work in Javascript, as well as async/await syntax. Fetching Data will come up and it’s important to understand the differences between how synchronous vs asynchronous functions resolve.

4️⃣ DOM Manipulation 🌲

At some point, you will end up needing to work on modifying the structure, style and content of the pages you build! You’ve got to understand how to create, access and remove elements, modify their content and know how to handle events.

Yes you can learn Javascript by just focusing on React if that’s what you’re into!

However, knowing more about JavaScript will make learning React easier and give you a better understanding of how things work under the hood! 🏎️
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