Hi Mohammed,
You can achieve your goal by using Firebase or similar technologies. The point is here that you need to trigger an event when something is updated by a user in any device and other clients listen to events and run its logic such as updating DOM, refreshing data, etc.
It may help to you:
https://www.outsystems.com/forge/component-overview/1406/firebase
Please let us know your further questions.
Sincerely,
Necmettin