platform-guideline 1 linked patterns checked
MDN Web Docs: Barcode Detection API
Documents secure-context barcode detection in images and video sources, limited browser availability, supported formats including qr_code, detector construction, supported-format checks, and decode error handling.
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What this source can teach
Use this source to understand a platform convention and the setting it was designed for.
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Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| QR scan | Choose QR scan when decoding a code and acting on the decoded payload is the central task. | Scanning starts only after users choose a QR-dependent task and can see purpose, fallback, and privacy impact. | Supports secure-context barcode detection, limited browser availability, QR format support, detector construction, and image/video detection. |
Evidence Role
This source is treated as platform-guideline evidence. Its value comes from the specific claims and setting described above.
Publisher: MDN Web Docs. Last checked: .