Array

Represents an array.

Boolean

Represents a Boolean value.

Date

Represents a date.

Function

Specifies a string of JavaScript code to be compiled as a function.

Math

Provides basic math constants and functions; for example, its PI property contains the value of pi.

Number

Represents primitive numeric values.

Object

Contains the base functionality shared by all JavaScript objects.

String

Represents a JavaScript string.

Regular Expression

Represents a regular expression; also contains static properties that are shared among all regular expression objects.