Returns the current
deep value for the running query. The deep value indicates how far down the result of a query is returned. For example, thing1 may contain a thing2 that contains a thing3. A deep value of 1 would only show the content of thing1 and a deep value of 3 will go as deep as the content of thing3.
deep value changes when a function with a return(..) is called which has changed the
deep value for this query.
This function does not generate an event.
deep value for the running query.
This code uses
deep()to return the default
deep(); // returns the default since `deep` is not changed
Return value in JSON format