functions, methods, parameters

functions
functions are blocks of code that allow us the create situations for executing methods based on events on the stage, such as interactivity, like clicking a button
braces { } allow the function to trigger when called by name


methods
methods are the verbs of actionScript
in a function, the methods tell FLASH what to do, for example stop() or gotoAndPlay()

parameters
methods are followed by parentheses; inside these parentheses are values call parameters
parameters specify the activity of the method, for example assigning a frame destination or a type of event listener:
in the method gotoAndPlay(5), 5 is the parameter


methods
btnInstanceName.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandlerA);
function mouseDownHandlerA(event:MouseEvent):void {
gotoAndStop(1);
}

parameters
btnInstanceName.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandlerA);
function mouseDownHandlerA(event:MouseEvent):void {
gotoAndStop(1);
}