JavaScript Decruft JSON

gistfile1.js

// In jQuery the easy thing to do when to decruft json responses if a javascript has:
//
//     for (;;); {foo: 'bar'}
//
//  Is to decruft it using ajax converters. Example

$.ajaxSetup({
  converters: {
    "text json": function(result) {
      return JSON.parse(result.replace('for (;;);', '')); 
    }
  }
});

$.ajax(url, {
   data: data,
   contentType: 'application/x-www-form-urlencoded',
   type: 'POST',
   dataType:"text json"
}).done(function(resp) {
   callback(resp);
}).fail(function(jqXHR, textStatus ) {
   errorCallback(textStatus);
});