shortcuts and combinations for common Git commands

clean up the branch list with this one-liner command-line command

getting some version control on your computer

summarizing the internet's de facto version control system

checking the validity of JavaScript types with this library

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

starting a React app without create-react-app

storing the current situation of a component

summarizing the famous interface-building JavaScript library

differentiating const + let + var when declaring variables

storing data into named containers

looking at and manipulating numbers in JavaScript

looking at and manipulating plain text in JavaScript

summarizing the building blocks of web app data

using the browser's console as a code playground

documenting code with some comments and whitespace

getting started with JavaScript on a webpage

introducing the programming language of the internet