... < Day Day Up > What Event Handlers Do Many computer programs allow users to accomplish tasks by dragging and dropping items on the screen, resizing windows, making adjustments with ... this happens (event) { do this; do this; } Frame events occur when the timeline reaches a frame that contains a script. When you place a script on a frame, you don't need ... by an event a user rolling over a button or pressing a key, your movie's timeline reaching a certain frame, and so on. In ActionScript, event handlers (with the exception of frame events)...