Send is an asynchronous request for data from the client.
Send is an asynchronous request for data from the client. The supplied requests will be submitted and the responses
will be supplied to f
on the server when the round-trip has completed. This is a one-time action.
the type of data to be received
the requests to make of the client in JavaScript function form.
the response handling function.
the manifest of T for conversion
JSRequest allows a JavaScript statement to be supplied, it is invoked in the browser, and the result is sent back to the server in response.