Nothing happens with getJSON (JSONP)

Question

I have a valid JSON file on domain example1.com. It's just a PHP file with a header ('Content-type: application/json; charset=utf-8'). The JSON on this page is valid.

I'm trying to parse the JSON on another domain. This is the script:

$(function() {
    $.getJSON('www.example1.com?callback=?', function(data) {
        alert("lol")
    });
});

Why is the alert not working? It seems like the callback is never launched.

callbacks generally indicate it's `jsonp`, so you'd need to add `alert('lol')}, 'jsonp');` — Ohgodwhy, Apr 13 '13 at 00:58
Then look in your console at the network tab and see what's being returned. Pay close attention to the `status` which is likely `200`. — Ohgodwhy, Apr 13 '13 at 01:02
Are you sure it's valid JSONP and not just JSON (there is a difference). — adeneo, Apr 13 '13 at 01:03
This is the only thing the console gives me in the network tab: [21:02:53,582] GET http://code.jquery.com/jquery-1.9.1.min.js [HTTP/1.1 304 Not Modified 50ms] — , Apr 13 '13 at 01:03
Just see if it's wrapped in a function? According to the url, it should be JSONP. — adeneo, Apr 13 '13 at 01:04
I see. Do you have a link to something that show valid jsonp? — , Apr 13 '13 at 01:06
http://stackoverflow.com/questions/2887209/what-are-the-differences-between-json-and-jsonp — adeneo, Apr 13 '13 at 01:07
not all API's provide `jsonp`, and some require special callback name. Check API docs — charlietfl, Apr 13 '13 at 01:09
this is wat I did server side: echo($_GET["jsoncallback"]."(".$json.")"); — , Apr 13 '13 at 01:14
That's great, it's still not JSONP, but if it's your server why do you need JSONP ! — adeneo, Apr 13 '13 at 01:15
why is it still not jsonp valid? do I have to add the string function in front of the parentheses? And I need JSONP, because I'm trying to fetch the JSON object from another domain. — , Apr 13 '13 at 01:19

score 0 · Answer 1 · answered Apr 13 '13 at 01:25

0

I think the json is bad from that url you're getting.

does it have echo "{}" ?

or echo json_encode($something) ?

it needs to return an empty json, or some json

answered Apr 13 '13 at 01:25

Jacek Pietal

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score 0 · Accepted Answer · answered Apr 13 '13 at 02:13

0

Had to put http:// in the url.

http://www.example1.com?callback=?

answered Apr 13 '13 at 02:13

Nothing happens with getJSON (JSONP)

2 Answers2