Ohhh, I had no idea this functionality. I just tested and works perfectly.
Many thanks for your help and explanations! On 20 nov, 13:05, "T.J. Crowder" <[email protected]> wrote: > Hi, > > > Since I work with prototypejs AJAX requests to return, I always return > > calls as application/json parsing the JSON object in the response, so > > I had to always use something like the following to use the object: > > > var json = transport.responseText.evalJSON(); > > There's no need to do that. Just use the transport.responseJSON > property. Prototype detects application/json responses, automatically > evaluating the JSON and populating that property with it. Calling > transport.responseText.evalJSON() just duplicates that effort. > > > However in the documentation of prototype, to use the JSON object > > directly, they recommend using, for example: > > > var json = transport.headerJSON; > > > To proceed in this manner is necessary to write the header X-JSON > > object with the contents of the JSON... > > This is just a useful way to send *additional* data related to the > response on top of the primary response. So for instance, you might > respond with text/html data but include an X-JSON header to supply > further information about it. > > For what you're doing (an Ajax request specifically to get the data), > I don't see any advantage; just keep doing what you're doing server- > side and start using the responseJSON property. > > HTH, > -- > T.J. Crowder > Independent Software Consultant > tj / crowder software / comwww.crowdersoftware.com > > On Nov 19, 5:39 pm, Moisés Gramary Barbosa <[email protected]> > wrote: > > > Hello everyone, firstly thank you very much. > > > I have the following questions: > > > Since I work with prototypejs AJAX requests to return, I always return > > calls as application/json parsing the JSON object in the response, so > > I had to always use something like the following to use the object: > > > var json = transport.responseText.evalJSON(); > > > However in the documentation of prototype, to use the JSON object > > directly, they recommend using, for example: > > > var json = transport.headerJSON; > > > To proceed in this manner is necessary to write the header X-JSON > > object with the contents of the JSON... > > > My questions are: > > > What improvements can I do with this method? > > PrototypeJS could not detect the response MimeType, as application/ > > json, and interpret it the same? > > And last ... If I refactor my script to use the X-JSON header, the > > response of the request should be empty? > > > Sorry for my English -- You received this message because you are subscribed to the Google Groups "Prototype & script.aculo.us" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=.
