Names can contain letters, digits, underscores, and dollar signs.
Names must begin with a letter, a $ sign or an underscore (_).
Names are case sensitive (X is different from x).
Reserved words (JavaScript keywords) cannot be used as names.
Names cannot start with numbers
Values, Operators, Expressions, Keywords, and Comments.
global vs block scope. Global means a variable will be recognized everywhere, in every part of the document no matter what. Block. A paragraph, heading or div are all blocks. Using Let or Const limits the variable to block scope. It will only be recognized in the block it is nested in
My First JavaScript
The window.print() Method
Click the button to print the current page.
Display some text when the checkbox is checked:
Well, now that you asked, my pronouns are Ze, Zim and Zer. I prefer for you to call me Master of the Universe and my favorite color is pink. It's red but better. I'm just starting to ramble here, but did you know Giraffes can reach up to 40 ft tall. I just made that up, but it might be true? Who knows?