spec 1 linked patterns checked
MDN: Media Capture constraints and settings
Documents camera and microphone constraints, capabilities, settings, facing mode, resolution, and fallback behavior when constraints cannot be satisfied.
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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 |
|---|---|---|---|
| Camera capture | Choose camera capture when the product must create new camera media and users need live preview, framing, capture, review, and retake behavior. | The camera stream starts only after a deliberate user action and contextual permission rationale. | Supports facing mode, resolution constraints, camera capabilities, and settings. |
Comparisons supported by this source
- Camera capture vs file upload vs permission request vs sensitive-data reveal vs full-screen takeover vs drag-and-drop upload
Supports camera facing mode, resolution constraints, capabilities, and fallback behavior.
Evidence Role
This source is treated as spec evidence. Its value comes from the specific claims and setting described above.
Publisher: MDN Web Docs. Last checked: .