JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.1.5/angular.min.js"></script>
<div ng-controller="ctrl">{{value}}</div>

JavaScript

angular.module('ngApp', [])

.service('myownservice', ['$q', function($q) {

    this.httpcall = function() {
      var defer = $q.defer();
      var httpresp = "1818";
      defer.resolve(httpresp);
      return defer.promise;
    };

    this.UpdateSomeData = function() {
      return this.httpcall();
    };
  }])
  .controller('ctrl', function($scope, myownservice) {
    myownservice.UpdateSomeData().then(function(val) {
      $scope.value = val
    })
  });