Which of the following would send an alert to the viewer that tells the name of the browser being used?

window.alert$($You are using$+$ navigator.appVersion$)$;

window.alert$($You are using navigator.appName$)$;

window.alert$($You are using$+$ navigator.javaEnabled$())$;

window.alert$($You are using$+$ navigator.appName$)$;