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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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.

JavaScript Fundamentals Before Learning React

## What are Props?
Props are like arguments you can pass to a function. Imagine them to be options that can be passed to a component to customize its functionality. For example, the following will always print 'Welcome to React', but if you want it to be able to print whatever greeting you want, you can use props.

# What are Props?
Props are like arguments you can pass to a function. Imagine them to be options that can be passed to a component to customize its functionality. For example, the following will always print 'Welcome to React', but if you want it to be able to print whatever greeting you want, you can use props.

In this lesson, we learn to modify our components and make them more dynamic using props, which is a fundamental concept in React.

Getting Started

Variables, Operators & Expressions

Functions

Classes

Modules

React

Appendix

Conclusion

React Props

What are Props?