Using the Rest Argument (...): represents a variable number of arguments as an array followed by a name for that array : function parameters « Function « Flash / Flex / ActionScript






  1. Flash / Flex / ActionScript
  2. Function
  3. function parameters

Using the Rest Argument (...): represents a variable number of arguments as an array followed by a name for that array

 


package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){

        trace(sum(1,2,3,4,5)); // Displays: 15

    }
    function sum(... numbers):Number {
        var result:Number = 0;
        for each (var num:Number in numbers) {
           result += num;
        }
        return result;
    }
  }
}








Related examples in the same category

1.Passing Parameters to a function
2.Function definition with multiple arguments
3.Passing Parameters by Value or by Reference
4.Handling an Unknown Number of Parameters
5.Mix the named parameter and unnamed parameters
6.Primitive data types are passed by value
7.Complex data types, like Array, pass values by reference.
8.Setting Default Values: add an equal sign (=) and the default value after an argument name
9.All arguments that have a default value must all be placed last in the order of arguments
10.The rest parameter can also be used with other required parameters.