How do I update div across all devices?

Question

Im working on a live chat for my website and don't know how to make the live part. I've looked it up with no results. Please help.

Answer 1

Depends on which language in your application? Java, nodejs,... You can search for web socket of that language.
The idea is that there will be a place/way to listen all time, when receive data, show in div.
If you already successfully with 1 client/device, working on multiple client, search socket with multiple client.

Answer 2

Phan Thanh Bình I'm trying to do it in javascript or jquery if that helps at all.

Answer 3

It is just your project, right? Then you can search javascript socket 2 ways communication. But if you want to do this properly, you should build a backend also, nodejs will be easier since it's javascript.