platform-guideline 1 linked patterns checked
MDN Web Docs: BarcodeDetector
Documents the BarcodeDetector interface, limited availability, supported format discovery, constructor format hints, and detecting linear or two-dimensional barcode values from images.
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What this source can teach
Use this source to understand a platform convention and the setting it was designed for.
- 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 |
|---|---|---|---|
| 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 BarcodeDetector interface behavior, supported format discovery, and detected barcode values. |
Comparisons supported by this source
- QR scan vs camera capture vs permission request vs file upload vs two-factor authentication vs security warning
Supports BarcodeDetector interface behavior, format discovery, and detection of two-dimensional barcode values.
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: .