JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="ToDo">
    <div ng-controller="TaskCtrl">	<span ng-bind="hi" ng-click="popup()">eee</span>
sdfasd
    </div>
</div>

JavaScript

angular.module("ToDo", [])
    .controller("TaskCtrl", function ($scope) {
    $scope.hi = "eeee";
    $scope.popup = function () {
        $scope.hi = "333";
    }
});