Once your app is available to the public, you need to make sure that users with bad intentions are securely restricted from accessing your resources. One way is to secure your apps by requiring users to be authenticated and authorized. In this course, Developing JavaScript Single Page Applications Protected by Azure Active Directory, you’ll learn to access secured APIs from a plain JavaScript, Angular and React app. First, you’ll explore how to use a plain JavaScript app to access a secured API. Next, you’ll discover how to use an Angular app to access an API that is secured with AAD. Finally, you’ll understand how to use a React app to access an API that is secured with AAD. When you’re finished with this course, you’ll have the skills and knowledge needed to securely access API EndPoints secured by Azure Active Directory.