Overview of built-in classes
This section lists all the ActionScript classes, including a brief description of each class and cross-
references to other relevant sections of the documentation.
Core classes
The core ActionScript classes are those borrowed directly from ECMAScript. In the Actions
toolbox, these classes are located in the Built-in Classes > Core subfolder.
Class
Arguments
Array
Boolean
Button
Date
Error
Function
Math
Number
Object
String
Description
An array that contains the values that were passed as parameters to any
function. See the
Arguments class
Dictionary," on page
205.
The Array class contains methods and properties for working with array
objects. See the
Array class
on page
205.
The Boolean class is a wrapper for Boolean (
Boolean class
entry in
The Button class provides methods and properties for working with button
objects. See the
Button class
on page
205.
The Date class provides access to date and time values relative to universal
time (Greenwich Mean Time) or relative to the operating system on which
Flash Player is running. See the
Dictionary," on page
205.
The Error class contains information about errors that occur in your scripts.
You typically use the
throw
can then handle using a
and the
try..catch..finally
Dictionary," on page
205.
The Function class is the class representation of all ActionScript functions,
including those native to ActionScript and those that you define. See the
Function class
entry in
The Math class lets you access and manipulate mathematical constants and
functions. All of the properties and methods of the Math class are static, and
must be called with the syntax
the
Math class
entry in
The Number class is a wrapper for the primitive number data type. See the
Number class
entry in
Chapter 12, "ActionScript Dictionary," on page
The Object class is at the root of the ActionScript class hierarchy; all other
classes inherit its methods and properties. See the
Chapter 12, "ActionScript Dictionary," on page
The String class is a wrapper for the string primitive data type, which allows you
to use the methods and properties of the String object to manipulate primitive
string value types. See the
Dictionary," on page
205.
entry in
Chapter 12, "ActionScript
entry in
Chapter 12, "ActionScript Dictionary,"
true
Chapter 12, "ActionScript Dictionary," on page
entry in
Chapter 12, "ActionScript Dictionary,"
Date class
entry in
statement to generate an error condition, which you
try..catch..finally
Error class
entries in
Chapter 12, "ActionScript Dictionary," on page
Math.method(parameter)
Chapter 12, "ActionScript Dictionary," on page
String class
entry in
or
) values. See the
false
Chapter 12, "ActionScript
statement. See
Chapter 12, "ActionScript
or
Math.constant
Object class
entry in
205.
Chapter 12, "ActionScript
Overview of built-in classes
205.
205.
. See
205.
205.
115
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