HTML

• The head element contains information about the webpage.
• The body element represents the visible content shown to the user.

CSS

• There are 3 ways to style a HTML using CSS: inline CSS, internal CSS style sheet and external CSS style sheet.
• We use CSS to define style rules for specific elements of HTML.
• External CSS style sheet is popular among developers, as it allows to keep the CSS.
• Separation of concerns, refers to the separation of code into different files based on use.
• Do not Repeat Yourself (DRY), encourages to reuse and share pieces of code.
• Assigning colors in CSS canbe done by using semantic references or hex #.

Git

• git status: checks what branch we are currently on
• git checkout -b branch-name: creates a new brach and switches to it
• git add -A: stage and add all changes
• git commit -m: to commit changes
• git pull origin main: double check we're in sync with the main branch
• git push origin branch-name: to push changes to the remote branch

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.
• An array is a single variable that allows to hold a group of data.
• A function is a set of instructions that tells the computer what to do.
• for loops and conditional statements execute automatically when the .js file is run.
• Functions need to be called by name in order to execute them.