MACROMEDIA FLASH 8-FLASH, Reference

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and 81
+= (addition assignment)
Availability
Flash Lite 1.0.
Usage
expression1 += expression2
Operands
expression1, expression2
Numbers or strings.
Description
Operator (arithmetic compound assignment); assigns
expression1
the value of
expre expression2
. For example, the following two statements have the
same result:
x += y;
x = x + y;
All the rules of the addition (
+
) operator apply to the addition assignment (
+=
) operator.
Example
The following example uses the addition assignment (
+=
) operator to increase the value of
x
by the value of
y
:
x = 5;
y = 10;
x += y;
trace(x);// output: 15
See also
+ (numeric add)
and
Availability
Flash Lite 1.0.
Usage
condition1 and condition2
Operands
condition1, condition2
Conditions or expressions that evaluate to
true
or
false
.