myVariable += 6; is the shorthand version of the following: myVariable = myVariable + 6; : Arithmetic Operators « Language « Flash / Flex / ActionScript






myVariable += 6; is the shorthand version of the following: myVariable = myVariable + 6;

 

package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){
        var myVariable:Number = 6;
        
        myVariable = myVariable + 6;
        trace(myVariable); //12
        
        myVariable += 6;
        
        trace(myVariable); //18

    }
  }
}

        








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6.Increment (++) and Decrement ( -- )
7.Compound Assignment Operators (+=, -=, *=, /=, and %=): x += 1; is the same as writing x = x + 1;