JSFiddle - React, Tailwind, and code Playground

by Stefano Bertoli

HTML

<div ng-app>
    <div ng-controller="HelloController">
        <input ng-model="greeting.text">
        <p>
            {{greeting.text}}, World
        </p> 
    </div>
</div>

JavaScript

function HelloController ($scope) { 
    $scope.greeting = { 
        text: "Hello" 
    };
    $scope.$watch("greeting.text", function (newValue, oldValue) {
        if (newValue == "") {
            alert($scope.greeting.text);
        }
    });
}