JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="Joy" ng-controller="JoyCtrl">
    {{ data }}    
</div>

JavaScript

angular.module('Common', [])
.service('commonService', [function() {
    this.getData = function () {
        return 'Wahaha';
    };
}]);

angular.module("Joy", ['Common'])
.controller('JoyCtrl', ['$scope', 'commonService', function ($scope, commonService) {
    $scope.data = commonService.getData();
}]);