summarizing the famous interface-building JavaScript library

starting a React app without create-react-app

rendering HTML within JavaScript functions

separating concerns within a React app

passing data from a parent to a child component

keeping track of a component's changing variable values

displaying content based on different situations

displaying content from an array of objects

changing the look of the React app based on certain criteria

changing the look of what appears on the React app

launching a React app/website onto a github.io subdomain