- Variables and Data Types
- Boolean (true or false)
- Numbers
- Integer
- Floating Point (decimals)
- Strings
- Complex Data Types
- Arrays
- Objects
- Functions
- Functions
Reuse the same bit of code in multiple places throughout your page.
- Return Values
We’ll use return values a lot with “accessible” JavaScript in order to cancel the default action of a HTML behavior.
- External Scripts
Reuse the same function library on multiple pages throughout your site.