JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.5/angular.js"></script>
<div ng-app="app" ng-controller="MainCtrl" ng-include="'content/' + topic + '.html'">

</div>

JavaScript

var topic = 'dynamics';

    var app = angular.module('app', []);

    app.controller('MainCtrl', ['$scope', '$window', function ($scope, $window) {
        $scope.topic = $window.topic;
        console.log($scope.topic);
    }]);