User Guide

178 ActionScript language elements
See also
instanceof operator
void operator
void expression
The void operator evaluates an expression and then discards its value, returning undefined.
The
void operator is often used in comparisons using the == operator to test for undefined
values.
Availability: ActionScript 1.0; Flash Lite 2.0
Operands
expression : Object - An expression to be evaluated.
Statements
Statements are language elements that perform or specify an action. For example, the return
statement returns a result as a value of the function in which it executes. The if statement
evaluates a condition to determine the next action that should be taken. The switch statement
creates a branching structure for ActionScript statements.
Statements summary
Button object
Text field object
Number number
Boolean boolean
Object object
Function function
Statement Description
break Appears within a loop (for , for..in, do..while or while) or within
a block of statements associated with a particular case within a
switch statement.
case Defines a condition for the switch statement.
Expression Type Result