JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app>
    <div ng-controller="MyCtrl" ng-init="pageTitle = 'kittens'">
    Page title is {{ pageTitle }}
    </div>
</div>

JavaScript

var MyCtrl = function($scope) {
    // This returns undefined instead of kittens
 $scope.$watch('pageTitle', function () {
    alert($scope.pageTitle); 
});
};