Dealing with Jquery ajax errors in Internet Explorer

Trying to implement an ajax call:

var sourceUrl = ' http://api.official.fm/tracks/D4lw?fields=streaming,cover&api_version=2';

 jQuery.ajax({
    url: sourceUrl,
    dataType: 'jsonp',
 }).done(function( response ) {
 }).fail(function(jqXHR, textStatus, errorThrown) {
    if(useAlertMessaging) alert('error: ' + jqXHR.responseText);
 });

The code runs smoothly in IE10, however, encounters an error in IE9 and below:

SCRIPT1004: Expected ';' 
D4lw, line 1 character 9

The console displays the following information:

{"track":{"title":"Love Me As I Have Loved You (prod. Ritz Reynolds)","duration":75,"artist":"Mac Miller","url":"http://api.official.fm/tracks/D4lw?api_version=2","page":"http://official.fm/tracks/D4lw","buy_url":null,"rough_view_count":null,"rough_play_count":null,"rough_download_count":null,"streaming":{"http":"http://api.official.fm/tracks/D4lw/stream?api_version=2","rtmp":"rtmpe://fairtilize-174.fcod.llnwd.net/a2251/r2/mp3:/audio2/s/D4/D4lw_3594640?e=1378301197&h=8a551f822a7fbbc6fe07866626451bc3"},"cover":{"urls":{"large":"//cdn.official.fm/medias/pictures/tu/tuKi_large.jpg","medium":"//cdn.official.fm/medias/pictures/tu/tuKi_medium.jpg","small":"//cdn.official.fm/medias/pictures/tu/tuKi_small.jpg","tiny":"//cdn.official.fm/medias/pictures/tu/tuKi_tiny.jpg"},"id":"tuKi"},"project":{"name":"Mac Miller","url":"http://api.official.fm/projects/f8w6?api_version=2"}}}

The issue seems to be right before the first track semicolon:

{"track"

Any suggestions on how to resolve this?

(Note: No control over the URL used)

Tried removing ajax dataType but no change in results.

ajaxjson

Answer â„–1

In my experience, I've encountered issues with inserting an additional comma into objects specifically when using IE. Here is a revised version of the code to address this problem:

jQuery.ajax({
    url: url,
    dataType: 'jsonp' // The extra comma has been removed from this line
 }).done(function( data ) {
    //console.log(data);
 }).fail(function(jqXHR, textStatus, errorThrown) {
    if(useAlertMessaging) alert('error: ' + jqXHR.responseText);
 });

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