| Name | Description |
|---|---|
| Boolean | A Boolean object is a data type that can have one of two values, either true or false, used for logical operations. |
| Date | The Date class represents date and time information. |
| Error | The Error class contains information about an error that occurred in a script. |
| Function | A function is the basic unit of code that can be invoked in ActionScript. |
| Global | Top level or global functions are available in any place where ActionScript is used, or in any user-defined class. |
| Global.UndefinedClass | |
| Math | The Math class contains methods and constants that represent common mathematical functions and values. |
| Number | A data type representing an IEEE-754 double-precision floating-point number. |
| Object | The Object class is at the root of the ActionScript class hierarchy. |
| Object.ConstructorObject | |
| Object.PrimitiveWrapper | |
| Object.PrototypeObject | |
| String | The String class is a data type that represents a string of characters. |