WebRTC·WebRTC essentials

Data channels

Data channels send arbitrary messages peer to peer.

Advanced 10 min read Lesson 4 of 150 Challenge included
What you will be able to do
  • Create a data channel.
  • Use reliable ordered by default.
  • Close when done.

In plain English

Data channels send arbitrary messages peer to peer.

  • Create a data channel.
  • Use reliable ordered by default.
  • Close when done.
data.jsJavaScript
const channel = pc.createDataChannel('chat')
channel.addEventListener('message', (e) => console.log(e.data))
Your turn

Explain it back

Easy

Answer from memory: What can a data channel send?

TEXT · starter
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Knowledge checkQuestion 1

What can a data channel send?

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