Deferred passes the XHR object to it's callback function. Is there a
way to get a reference to the Deferred in the callback?
What I'm trying to do is to transport some vars in the Deferred and
use them in the callback.
Let's say I wanted to load a specific URL into a part of the DOM.
Usually I hard code the DOM element into which to place the results.
But what if I wanted to make that more dynamic?
E.g. I have:
show_detail = function(rec_id)
{
var url='/admin/'+controller+'/ajax_info/'+rec_id+'
var d = doSimpleXMLHttpRequest(url);
d.addCallback(function (req) {
$('data_preview').innerHTML = req.responseText; // hardcoded
to data_preview
});
}
Assume that I wanted to make data_preview dynamic - e.g. pass it as a
parameter to the show_detail function.
I was contemplating setting it as a property on the deferred object
and then retrieving it in the callback. I suppose, I could also
attach it to the req, but I didn't find a way to get at that from the
deferred either.
Either approach seems a little hacky. There's probably a better way.
But I can't see it.
Any suggestions?
Thanks,
Juergen
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