THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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You can return an object array, a list, even a single object. You may return objects instead of strings ... and toString() will be used to convert them into client-side strings.
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Invoking server-side event handler methods from JavaScript
Tapestry 5.4.2 introduced an API which makes it easy for server-side events to be invoked from JavaScript. On the server-side, you first need to annotate the event handler methods you want to expose with the @PublishEvent annotation. Then, in JavaScript, all you need to do is to call the existing t5/core/ajax function, but with slightly different parameters.
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