Beep sound in a Web App

What is the simplist approach to creating a beep sound for reuse in Xojo Web Aapps.

https://forum.xojo.com/11483-beep-for-web-apps
https://forum.xojo.com/24734-instant-click-sound-in-web-app
https://forum.xojo.com/20420-playing-a-sound-in-a-webapplication