Dynamsoft Barcode Reader Web FAQ
Welcome! Browse the sections below for answers to common questions, configuration tips, and troubleshooting guidance.
Camera
- Camera cannot open in PWA
- How to check camera availability
- Delay when opening camera
- How to stop the camera stream from opening right away after DBR-JS demo is loaded?
- Why isn’t my webcam reading the barcode on my driver’s license or ID card?
- When is singleFrameMode enabled?
Capabilities
- iOS 16 Incompatible
- iOS 17 Readability
- Is HTTPS Required?
- Pros and Cons of CDN
- System Requirement
- What’s in the dist Folder of dynamsoft-barcode-reader-bundle?
- About Adaptive WebAssembly (Wasm) Loading
Configuration
- How to avoid incorrect barcode results?
- Do we have to call loadWasm proactively?
- How to change domain binding of product key?
- Formats supported for existing files
- How to get intermediate result images?
- How do I create a NodeJS application using the SDK?
- Offline mode usage for JavaScript SDK
- Newline character not being rendered
- Pop-up window during trial process
- Read from existing files
- Scan US driver’s license
- Upgrade old to new version
- Ways to copy DBR-JS deployable files
Debug
- Check Current Version
- General Troubleshooting Steps for Decode Failure
- Get SDK Logs
- Resolve Magic Word
- How to Use Debug Mode
Scan Settings
- Difference between BarcodeReader and BarcodeScanner
- Difference between BestSpeed and BestCoverage
- Differences between Full and Compact Editions
- Differences between updateScanSettings, updateVideoSettings, and updateRuntimeSettings
- Troubleshooting - Error: [xxx] No license found
- Read Inverted Image
- Remove Duplicates
- Unable to Scan Aztec Code
Yes
No