Ajax success issue with React and Rails -
i've got form trying handle react. ajax method in handlesubmit function: $.ajax({ data: formdata, datatype: "json", url: '/requests', type: "post", success: function(data, status, xhr) { console.log('show here on response'); this.setstate({ formsubmitted: true }); } }); when click on submit, can see post request go through , server responds 200. success callback never entered, don't see console message. my rails controller's action simple: return render nothing: true, status: 200 if request.xhr? the log server response includes: completed 200 ok in 11ms (views: 2.5ms | activerecord: 2.6ms) however when move stuff success callback in ajax request complete callback see error in console: uncaught typeerror: this.setstate not function you seeing error, because this behaves differently inside $.ajax() 's success callback, because jquery uses internally. suppose executing follo