Intro to React

Chris Sevilleja

Founder / GDE


Sarah Jorgenson


R&D Content Engineer

Auth0 / DevMountain


What is React?

JavaScript library to make user interfaces

🤗 Show of Hands 🤗


Hello World

Why use React?

Makes JavaScript easy to write

Easy to Write

It's just JavaScript!


Reusable and composable

Very Fast

Virtual DOM only updates what is needed

Scale to Large Apps

More components

Go Mobile

Jump to React Native when ready

  • Easy to write (It's just JavaScript)
  • Simple to get started
  • Reusable components
  • Very fast
  • Scales to as large as you need it
  • Go mobile with React Native

Let's Build!


Chris Sevilleja


Sarah Jorgenson