JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="projectApp">
    <div ng-controller="mainCtrl">     
        {{url}}
    </div>
</div>

CSS

</style> <!-- Ugly Hack due to jsFiddle issue: http://goo.gl/BUfGZ --> 
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.0-beta.7/angular.min.js"></script>
<style>

JavaScript

angular.module('projectApp', [])
.constant('domain','http://somedomain.com')
.constant('api','/some/api/info')
.service('urls',function(domain,api){ this.apiUrl = domain+api;})

.controller('mainCtrl',function($scope,urls) {
    
    $scope.url = urls.apiUrl;

});