Beginning Oracle Application Express 4.2, Second Edition

CHAPTER 16

Dynamic Actions

One of the most exciting features introduced with APEX 4.0 was dynamic actions, which provide the ability to declaratively define complex client-side behavior such as validations, highlighting, alerts, setting page values, and so on, without the need to hand-code large amounts of JavaScript.

Dynamic actions have been significantly extended in APEX 4.2, providing more flexibility and functionality declaratively. This helps the developer break away from the traditional server-side scripting model by executing the dynamic-action logic on the browser instead of incurring a round trip to the server.

Dynamic actions are event-driven ...