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JavaScript Fundamentals Before Learning React

Gain insights into essential JavaScript ES6 features, syntax, and concepts like ternary operators, built-in functions, and higher-order functions to enhance your React learning experience.

Beginner

31 Lessons

Certificate of Completion

Gain insights into essential JavaScript ES6 features, syntax, and concepts like ternary operators, built-in functions, and higher-order functions to enhance your React learning experience.

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This course includes

64 Playgrounds

5 Challenges

5 Quizzes

Course Overview

Course Content

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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

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?

Course Author

Robin Wieruch

Project

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Build a Music Player Application Using React Native

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advanced

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Project

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beginner

2 hour

Project

Create a Connect 4 Game Using React Native

Learn to build a Connect 4 game using React Native, allowing users to play against another player or an AI opponent that utilizes the minimax algorithm.

beginner

2 hours

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