getting some version control on your computer

summarizing the internet's de facto version control system

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

positioning layouts into rows and columns

positioning elements in flexible containers

adjusting our stylesheets for differently-sized screens

avoiding browser defaults with the * (global) selector

determining how we arrange something on a browser window

managing the spacings of visual HTML objects with CSS