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 ...

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