javascript - Why does backbone fetch not work for me -

i trying solve issue backbone fetch. getting 'failed fetch!' in console.

i think not issue connected same origin policy because json returned server , according jsonlint valid

[{"name":"spanish a1"},{"name":"spanish a2"}] 

code in gist: https://gist.github.com/konradmasalski/bfaac7d481d890ca5c54

update - code

var fishe = {};  fishe.deck = backbone.model.extend({     initialize: function () {         alert("welcome world");     } });  fishe.deckcollection = backbone.collection.extend({     model: fishe.deck,     url: 'http://fishes.localhost/deck.json',     sync: function (method, model, options) {         console.log('syncing');         var params = _.extend({             type: 'get',             datatype: 'jsonp',             url: this.url,             success: function (data, textstatus, jqxhr) {                 console.log(data)             },             error: function (jqxhr, textstatus, errorthrown) {                 this.model.set($.parsejson(jqxhr.responsetext));             }         }, options);          return $.ajax(params).done(function () {             console.log('finished')         });     } });   fishe.data = {}; fishe.data.decks = new fishe.deckcollection();  fishe.data.decks.fetch({     success: function () {         console.log(fishe.data.decks.tojson());     },     error: function () {         console.log('failed fetch!');     } });