spec 1 linked patterns checked
MDN Web Docs: EventSource
Documents EventSource as a persistent connection for receiving text/event-stream events and closing the connection when needed.
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What this source can teach
Use this source to check a technical or accessibility requirement against its exact wording and scope.
- Start with the original. Open the source and find the guidance or example relevant to your task.
- Trace the connection. Use the claim notes below to see how this site applies the source to specific patterns.
- Check the setting. Compare the source's platform, people, and constraints with your own decision.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Streaming response | Choose streaming response when partial generated output is useful before the full answer is ready and the product can explain partial versus final state. | The UI never presents an active stream as a complete answer until the terminal event or final validation state arrives. | Supports persistent event-stream connections and explicit close behavior. |
Comparisons supported by this source
- Streaming response vs chat interface vs progress bar vs loading spinner vs feed
Supports persistent event-stream connections and closing behavior.
Evidence Role
This source is treated as spec evidence. Its value comes from the specific claims and setting described above.
Publisher: Mozilla Developer Network. Last checked: .