thanks for the response - I'll give this a try. I'm still trying to wrap my head around the concepts of deferred and callbacks....
On Nov 15, 2:45 pm, Fredrik <[email protected]> wrote: > You're confusing the return inside addCallback with the return from > the outer getOffice function. > > --- modified example: > var getOffice = function(county_id) { > var d = loadJSONDoc('/office_from_countytype/'+ county_id +'/'); > var off_id; > d.addCallback(function (result) { > off_id=result[0].fields['office']; > log('got office id: '+ off_id); > return off_id; > }); > return d; // <--- ! > > } > > ... now, a user can get 'off_id' like this. > > var d = getOffice(country_id); > d.addCallback(function(off_id) { > log('got office id:', off_id); > > }); > > (since getOffice makes an asynchronous request any return from it > must, by definition, also be asynchronous.) > > HTH > // Fredrik Blomqvist > > On Nov 15, 7:04 pm, hotani <[email protected]> wrote: > > > > > > > > > I can log the value, but it returns as "undefined". > > > var getOffice = function(county_id) { > > var d = loadJSONDoc('/office_from_countytype/'+ county_id +'/'); > > var off_id; > > d.addCallback(function (result) { > > off_id=result[0].fields['office']; > > log('got office id: '+ off_id); > > return off_id; > > }); > > > } > > > The log entry will show "INFO: got office id: 14", but the function > > returns "undefined". -- You received this message because you are subscribed to the Google Groups "MochiKit" 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/mochikit?hl=en.
