JSFiddle - React, Tailwind, and code Playground

HTML

<body ng-app="diApp">
    <div ng-controller="diController">
        <input type="text" ng-model="alertValue" />
        <input type="button" ng-click="alertMe()" value="clickMe" />
    </div>
</body>

JavaScript

angular.module('diApp', [])

.controller('diController', function ($scope, $window) {
    $scope.alertMe = function () {
        $window.alert($scope.alertValue);
    };
});