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JavaScript Fundamentals Before Learning React

Gain insights into JavaScript ES6+, ternary operators, 'this' object, built-in functions, and core concepts like composability and immutability to ease your React learning journey.

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Overview

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After teaching React extensively (33.000+ students), be it online for a larger audience or on-site for companies transitioning to web development and React, I always come to the conclusion that React is all about JavaScript. Most of it boils down to JavaScript ES6 and beyond features and syntax, but also ternary operators, shorthand versions in the language, the 'this' object, JavaScript built-in functions (map, reduce, filter) or more general concepts such as composability, reusability, immutability or higher-order functions. While you don’t need necessarily to master all of these before starting with React, they will come up while practicing it and so to learn them will put you at a great advantage. This course is my attempt to give you comprehensive JavaScript skills that will make your React journey smooth and straight-forward.

After teaching React extensively (33.000+ students), be it online for a larger audience or on-site for companies transitioning t...Show More

Content

31 Lessons5 Quizzes5 Challenges

Getting Started

1 Lessons

Get familiar with the essentials of JavaScript to effectively learn and use React.

Entering React after learning JavaScript

Variables, Operators & Expressions

5 Lessons

Unpack the core of variables, operators, expressions, ternary operators, object destructuring, and spread operators in JavaScript.

Variable Declarations in JavaScript

Operators & Expressions in JS

Ternary Operator in React

Object Destructuring & Spread Operators

Quick Quiz on JavaScript Variables & Operators!

Functions

5 Lessons

Work your way through JavaScript function declarations, arrow functions, higher-order functions, and array methods in React.

Function Declaration in JavaScript

Arrow Functions in React

Higher-Order Functions in React

Map, Reduce & Filter in React

Quick Quiz on JavaScript Functions!

Classes

5 Lessons

Find out about JavaScript classes, 'this' keyword binding, class inheritance, and React's preference for composition.

JavaScript Classes and Object Creation

The 'this' Keyword & Binding in JavaScript

Class Inheritance

React favours composition over inheritance

Quick Quiz on JavaScript Classes!

Modules

4 Lessons

Take a closer look at modular JavaScript, named/default exports, and leveraging libraries in React.

Modularity & Import/Export in React

Named & Default Exports

Libraries in React

Quick Quiz On JavaScript Modules!

React

8 Lessons

Focus on understanding React components, props, state, lifecycle methods, and component syntax.

React Class Components

React Props

State in React

React Lifecycle & Lifecycle Methods

React Component Syntax

Functions as Components in React

The Create-react-app component

Quick Quiz on React!

Appendix

1 Lessons

Master the steps to set up create-react-app and understand its initial structure.

Setting up the create-react-app

Conclusion

2 Lessons

Learn how to use JavaScript proficiency to master React development effectively.

There is more JavaScript than React

Want to learn more React?

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Robin Wieruch

Developed by MAANG Engineers

Every Educative lesson is designed by our in-house team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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