JSFiddle - React, Tailwind, and code Playground

HTML

<body ng-app="App">
    <div ng-controller="FirstCtrl">
        <input type="text" ng-model="hello" class="form-control" />
        {{hello}}
        <hr />
        <div ng-controller="SecondCtrl">
            <input type="text" ng-model="hello" class="form-control" />
            {{hello}}
        </div>
    </div>

    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.15/angular.min.js"></script>
    <script>
        angular.module('App', [])
            .controller('FirstCtrl', function ($scope) {
                
            })
            .controller('SecondCtrl', function ($scope) {
                
            });
    </script>
</body>