mdn/content

webrtc: Call createDataChannel after createOffer

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#35,932 opened on Sep 18, 2024

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Content:WebAPIarea: WebRTChelp wanted

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Description

MDN URL

https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/createDataChannel

What specific section or headline is this issue about?

No response

What information was incorrect, unhelpful, or incomplete?

I moved createDataChannel call after await createOffer(), and everything just stopped working.

What did you expect to see?

Why and if we can do it in another way

Do you have any supporting links, references, or citations?

No response

Do you have anything more you want to share?

No response

MDN metadata

Contributor guide

Research direction
Explain why createDataChannel must be called before createOffer (or at least before setLocalDescription) and mention alternative approaches like creating data channels after negotiation or using the negotiationneeded event.
Tech stack
javascript
Domain
documentation
Issue type
Documentation
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaScriptWebRTC basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80