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="formCtrl">
        <form novalidate>First Name:
            <br>
            <input type="text" ng-model="user.firstName">
            <br>Last Name:
            <br>
            <input type="text" ng-model="user.lastName">
            <br>
            <br>
            <button ng-click="reset()">RESET</button>
        </form>
        <p>form = {{user}}</p>
        <p>master = {{master}}</p>
    </div>
    <script>
        var app = angular.module('myApp', []);
        app.controller('formCtrl', function($scope) {
            $scope.master = {
                firstName: "John",
                lastName: "Doe3"
            };
            $scope.reset = function() {
                $scope.user = angular.copy($scope.master);
            };
            $scope.reset();
        });
    </script>
</body>