JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="app">
    <div ng-controller="Ctrl">
         {{$root.blah}}
    </div>
    
    
</div>

JavaScript

angular.module('app', [])
    .controller('Ctrl', function Ctrl1($scope,  $rootScope) {
        $rootScope.blah = 'Hello';
        $scope.yah = 'World'
    })