Operators
175
Availability:
ActionScript 1.0; Flash Lite 1.0
Operands
expression1 :
Number
- A number or expression that evaluates to a number.
expression2 :
Number
- A number or expression that evaluates to a number.
Returns
Number
- An integer or floating-point number.
Example
Usage 1: The following statement reverses the sign of the expression 2 + 3:
trace(-(2+3)); // output: -5
Usage 2: The following statement subtracts the integer 2 from the integer 5:
trace(5-2); // output: 3
The result, 3, is an integer. Usage 3: The following statement subtracts the floating-point
number 1.5 from the floating-point number 3.25:
trace(3.25-1.5); // output: 1.75
The result, 1.75, is a floating-point number.
-= subtraction assignment operator
expression1
-=
expression2
Assigns
expression1
the value of
expression1
-
expression2
. For example, the following
two statements are equivalent:
x -= y ; x = x - y;
String expressions must be converted to numbers; otherwise,
NaN
(not a number) is returned.
Availability:
ActionScript 1.0; Flash Lite 1.0
Operands
expression1 :
Number
- A number or expression that evaluates to a number.
expression2 :
Number
- A number or expression that evaluates to a number.
Returns
Number
- The result of the arithmetic operation.
Summary of Contents for FLASHLITE2 ACTIONSCRIPT-LANGUAGE
Page 1: ...Flash Lite 2 x ActionScript Language Reference...
Page 22: ...22 Contents...
Page 244: ...244 ActionScript language elements...
Page 760: ...760 ActionScript classes...
