# Category: callback

## Can we delay rendering in angularjs until all variables get required values from callbacks

I have shared angularjs code. There IsShopToShowTerminated is always undefined and doesn’t depict the required value. I think problem is because, it renders first and then value of the IsShopToShowTerminated is changed. After search I am getting more and more confused. $scope.IsShopToShowTerminated = function(shopTerminationDate) { setTimeout(function() { debugger; if ($scope.IsTerminated($scope.viewCompany.TerminationDate)) { return true; } else { return$scope.IsTerminated(shopTerminationDate); } }, 0); } <td ng-init=”isTerminatedValue = IsShopToShowTerminated(shop.TerminatinonDate)”> {{isTerminatedValue}} <div ng-show=”isTerminatedValue”> <i class=”fa fa-circle text-danger”></i> <small>Terminated</small> </div> […]

## Refresh data After CRUD in AngularJS & Express

Here is my problem: I’m doing CRUD to MySql database, and after the create, update or delete my data no refresh correctly. Below in this images I’ll try to explain the actual behaviour: I have a modal to do these operations, but when I return to my main controller, the data only refresh after a F5, although it sometimes works perfectly. I think I need a promise or callback (the response from node is asynchronous) […]

## how can avoid this little callback hell

how can avoid this little callback hell?. this code is working fine estaElServicioDespachado(15).then(function(){ sePermiteModificarElCupon(25).then(function(respuesta){ $state.go(“barra.general.formularioCupon”); },function(error){ alert(error); }) }, function(error){ alert(error); }); I tried to do something like this to avoid the callback hell, but the catch function its not called when ‘sepermitemodificarElcupon’ rejects estaElServicioDespachado(15) .then(sePermiteModificarElCupon(25)} .then(function(){$state.go(“barra.general.formularioCupon”);}) ) .catch(function(error){ alert(error); }) maybe this can help. this are functions that calls a service function that returns promises function estaElServicioDespachado (id_servicio){ return catalogoServicios.estaElServicioDespachado(id_servicio) } function sePermiteModificarElCupon(id_cupon){ return […]

## Angularjs Jsonp Callback method is not triggering

I am working on angularjs services. I got some callback response from my API endpoint. I am using angular jsonP to fetch callback response I have used jsonpCallbackParam: ‘jsonpCallback’ to parse my callback response. But this jsonpCallback function is not triggered. I have attached my response below. projectInstance.jsonpCallback(“getActiveProduct”,{“totalRecords”:null,”projectSnapShot”:[{“projectId”:”333333″,”projectNumber”:”123456″,”projectStatus”:”Active”}]}) Here is my service code: getActiveProduct: function() { var deferred = $q.defer(); var url = “myserver/getproject.json” projectInstance={};$http.jsonp(url, { jsonpCallbackParam: ‘jsonpCallback’, data: ” }).then(function(data) { deferred.resolve(data.data); }, […]

## ng-show directive not working Angular (controllerAs issue)

I am building a single-page app with a timer and 2 buttons: 1st one shows up on initial state (onBreak=false), and handles a 25min-timer 2nd one shows up when the 1st timer is over (onBreak=true), and handles a 5min-timer Here is the HTML : <h1>{{ home.time | formattime }}</h1> <button type=”button” class=”btn btn-primary” ng-hide=”onBreak” ng-click=”home.workTimer()” ng-bind=”home.startOrResetWork”> </button> <button type=”button” class=”btn btn-primary” ng-show=”onBreak” ng-click=”home.breakTimer()” ng-bind=”home.startOrResetBreak”> </button> The controller : (function() { function HomeCtrl($interval) { var$ctrl […]

## How to use the callback on the basis of selection in Angular js?

I am trying to design a simple game application. There is a list of games available and there is a list of selected game. My intention is to show whatever the games is not selected in the modal and ask user whether they want to add it or not. Once they skim all the available games we can get the final selection of whatever the games selected and not selected.I am Stuck at one point, […]