HTML

• The head element contains information about the webpage.
• The head element is a container for metadata which contain info about the page used by the browser.
• Headers (h1, h2, h3, etc.) are typically used in order with h1 being used only once.
• The body element represents the visible content shown to the user.
• Use a href to link another website

CSS

• If there is a separate CSS file, it must be linked in the HTML file.
• Margin = outside of an element; Padding = around the content, inside an element.
• link element creates connnection to external file
• rel="documenttype" specifies relationship between current and linked docs.
• href="documentlocation" specifies relative path;
• * { } is a universal selector in css file.

Git

• git status: checks what branch we are currently on
• git checkout -b branch-name: creates a new branch and switches to it
• git pull origin main: pulls from Github to make sure main branch is updated on local repository
• git add -A: commit all changes in the current branch
• git commit -m "example message": commit to repository (-m is for a message)
• git push origin branch-name: push all changes to Github repository
• to push an existing project to GitHub, use git remote add origin git@github.com:"username"/"repositoryname" after adding and commiting in terminal

Javascript

• Control flow dictates Javascript files are executed from top to bottom; order matters.
• A variable is a named container that must be declared allowing us to store data.
• Variables can have different parameters and different types of data stored within the same one.
• JavaScript files must also be linked to the index file similar to CSS.
• for loop, if, else if statements, === returns boolean