text: [URL] https://auth0.com/authorize?audience=urn:example-app&client_id=123456789&redirect_uri=https%3A%2F%2Fmyapp.com%2Fcallback&response_type=token&scope=openid%20profile&state=def [HTML] middlename false ng untouched ng pristine mdc text field input mid name input middleInitial middleNameInput middleName Middle Name text