JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app ng-controller="ToDoApp">
    <h3>TODO</h3>
    <ul>
        <li ng-repeat="item in items">{{item}}</li>
    </ul>
    <form>
        <input ng-model="text" />
        <button ng-click="add()">Add #{{items.length + 1}}</button>
    </form>
</div>

JavaScript

function ToDoApp($scope) {
    $scope.items = [];
    $scope.add = function() {
        $scope.items.push($scope.text);
        $scope.text = '';
    };
}