Core JavaServer™ Faces, Third Edition > Ajax > Intercepting jsf.ajax.request()

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JSF lets you associate a Java function with an Ajax request with f:ajax’s listener attribute, like this:

<h:inputText value="...">
   <f:ajax event="keyup" listener="#{someBean.someMethod}"/>
</h:inputText>

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Chapter 10. Ajax > Intercepting jsf.ajax.request()