JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app ng-controller="MainCtrl">
    <ul>
        <li ng-repeat="event in events">{{event.title}}</li>
        <li ng-show="!events.length">No events</li>
    </ul>
    <button ng-click="addEvent()">Add event</button>
</div>

JavaScript

function MainCtrl($scope) {
    $scope.events = [];

    $scope.addEvent = function() {
        $scope.events.push({title: '111'});
    };
}