Symbols > += (addition assignment) |
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+= (addition assignment)
Availability
Flash Player 4.
Usage
expression1
+=
expression2
Parameters
expression1,expression2
A number or string.
Returns
Nothing.
Description
Operator (arithmetic compound assignment); assigns expression1
the value of expression1
+
expression2
. For example, the following two statements have the same result:
x += y;
x = x + y;
This operator also performs string concatenation. All the rules of the addition operator (+)
apply to the addition assignment (+=)
operator.
Example
The following example shows a numeric use of the +=
operator.
x = 5;
y = 10;
x += y;
trace(x);
//x returns 15
This example uses the +=
operator with a string expression and sends "My name is Gilbert" to the Output window.
x = "My name is " x += "Gilbert" trace (x)
See also
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