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.

Beginner

31 Lessons

Certificate of Completion

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.

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

64 Playgrounds

5 Challenges

5 Quizzes

This course includes

64 Playgrounds

5 Challenges

5 Quizzes

Course Overview

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 hig...Show More

Course Content

Getting Started

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

Entering React after learning JavaScript

Variables, Operators & Expressions

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

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

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

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.

Appendix

1 Lesson

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

Conclusion

2 Lessons

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

Course Author

Part of the React Learning Path

Learn React for Front-End Developers

Take your front-end skills to the next level. Build and deploy stunning, professional-quality apps using React.

4 Modules

Trusted by 1.4 million developers working at companies

Anthony Walker

@_webarchitect_

Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

Kenan Eyvazov

DevOps Engineer

Souvik Kundu

Front-end Developer

Eric Downs

Musician/Entrepeneur

Anthony Walker

@_webarchitect_

Evan Dunbar

ML Engineer

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

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