In Firefox 2.x and IE6 (the browsers I've tested in thus far), the
responseJSON property of the Ajax.Response object is null when I set
the response content-type to "application/json".
However, when I set the response content-type to "text/javascript",
the responseJSON property actually contains the JavaScript object as
expected. Also, if I don't set the evalJSON property to 'force', I
get nothing in the responseJSON. However, there's no cross-site
scripting issue. It's a 'relative' GET request, so it's definitely
obeys the same-origin policy.
Any ideas? Here's the code segment:
// Random number to randomize the request URL and avoid browser/proxy
caching
var rand = Math.random();
// Serialize the form data into JavaScrip object in preparation for
submission via ajax
var form_data_obj = $('formdata').serialize(true);
var request_url = "myprogram.php?task=addtocart&ajax=1&rand="+rand;
new Ajax.Request(request_url, {
method: 'get',
parameters: form_data_obj,
evalJSON: 'force',
onSuccess: function(transport){
var temp = '';
for(var x in transport.responseJSON){
temp += (x+"\n");
}
alert(temp);
},
onFailure: function(transport){
// Nothing yet
}
});
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