JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdn.bootcss.com/angular.js/1.3.14/angular.js"></script>
<body>
    <div ng-app="myApp" ng-controller="personCtrl">
        <button ng-click="toggle()">Toggle</button>
        <p ng-hide="myVar">First Name:
            <input type="text" ng-model="firstName" />
            <br/>Last Name:
            <input type="text" ng-model="lastName" />
            <br/>
            <br/>Full Name: {{firstName + " " + lastName}}</p>
    </div>
    <script>
        var app = angular.module('myApp', []);
        app.controller('personCtrl', function($scope) {
            $scope.firstName = "John",
            $scope.lastName = "Doe"
            $scope.myVar = true;
            $scope.toggle = function() {
                $scope.myVar = !$scope.myVar;
            };
        });
    </script>
</body>