Data Types

Primitive:

• Boolean
• int
• null
• Number
• String
• uint
• undefined

Complex:

• Object
• Array
• Date
• Error
• Function
• RegExp
• XML
• XMLList

* type that is used to represent any data type. This should be used instead of omitting typing information for your variables.

Casting is treating variable of one type as variable of another type.

example:

int(true) //results 1