Summary

7 data types:

• undefined
• null
• boolean
• string
• symbol
• number
• object

Variable

You can store different values in a variable.

Declare

adding var in front of the name you want to use to declare that you are creating a variable

Assign

When you assign a value to a variable.

camelCase

To declare a var, use the camelCase rule. First word is lowercase, second, third,... first letter is uppercase.