HTML

• The head element contains information about the webpage.
• The body element represents the visible content shown to the user.
• An attribute within the HTML tag defines additional information about an element.
• Viewport sets the default view for our webpage.

CSS

• A margin indicates how much space we want around the outside of an element.
• A padding indicates how much space we want around the content inside an element.
• Examples of a property include color and text-align.
• Examples of a value include blue and justify.

Git

• git status: checks what branch we are currently on.
• git checkout -b branch name: creates a new branch and switches to it.
• ideally, each commit contains an isolated, complete change.
• add: a command which adds modifications in the current working branch to the staging area.

JavaScript

• A variable is a named container that allows us to store data in our code.
• Control flow is the order in which a computer executes code in a script.
• A JavaScript file is read from top to bottom.
• It is common practice to indent the for loop code below the function name, within the curly brackets, to add visual structure to your code.