platform-guideline 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.
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. |
Evidence Role
This source is treated as platform-guideline evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: MDN Web Docs. Last checked: .