MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Reference page 84

Parameters
An expression or a variable that evaluates to a Boolean value.
expression
Returns
A Boolean value.
Description
Operator (logical); inverts the Boolean value of a variable or expression. If
variable with the absolute or converted value
expression
x && y
The following expressions illustrate the result of using the logical NOT (!) operator:
returns
!true false
returns
!false true
For more information, see
Example
In the following example, the variable
condition
!happy
file.
var happy:Boolean = false;
if (!happy) {
trace("don't worry, be happy");//traces don't worry, be happy
}
The statement traces because
See also
!= (inequality)
,
(equality) === (strict equality)
!= (inequality)
Availability
Flash Player 5.
Usage
expression1 != expression2
Parameters
None.
Returns
A Boolean value.
84 Chapter 5: ActionScript Core Language Elements
evaluates to , the expression
false
"Operator precedence and associativity" on page
happy
, and if the condition is
equals
!false
,
!== (strict inequality)
, the value of
true
!(x && y)
is set to . The
false
, the statement sends a string to the log
true trace()
.
true
,
&& (logical AND)
expression
is
!expression false
evaluates to .
true
32.
condition evaluates the
if
,
|| (logical OR)
is a
. If the
,
==