Tag Attributes for Ajax in Java Server Faces for Lazy Persons

evaluates to a Boolean	disabled If true, the Ajax behavior should be applied to any parent or child components. If false, the Ajax behavior should be disabled.
evaluates to a String	event The event that will invoke Ajax requests ( “click”, “keypress”, etc.)
evaluates to an Object	execute A space-separated List of IDs for components that should be included in the Ajax request.
evaluates to a Boolean	immediate If true, behavior events generated from this behavior are broadcasted during Apply Request Values phase.If false, the events will be broadcasted during Invoke Applications phase
	listener In Expression Language, an expression for a method in a backing bean to be called during the Ajax request.
evaluates to a String	onevent The name of a JavaScript callback function that should be invoked to handle UI events.
evaluates to a String	onerror The name of a JavaScript callback function that should be invoked if an error happens during the Ajax request
evaluates to an Object	render A space-separated list of IDs for components that should be updated after an Ajax request.

<f:ajax event=”keyup” execute=”intxt2″ render=”otxt2″ />

<f:ajax execute=”intxt2″ render=”otxt2″ />

These keywords can be used with the execute and render attributes of the f:ajax tag.

           <h:commandButton value=”Click Me”>
                  <f:ajax execute=”@form” render=”time”/>
          </h:commandButton>

Keyword	Description
@all	All component identifiers are processed
@form	All components identifiers included in this form are only processed
@none	No component identifiers are processed
@this	The element that triggered the request is only processed (default)