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answered Feb 14, 2014 at 20:28
Most of the time barcode scanners act like a keyboard - they "type" the result. You capture it by either listening to keypress events, or by listening to changes in an input field.
More information on the particular technology used to capture the barcode would be required to answer this question in more detail.
Content Under CC-BY-SA license QR and barcode scanner using HTML and Javascript
The library exposes two main classes: 1. Html5QrcodeScanner - Use this to set up end to end scanner with UI, built on top of Html5Qrcode. 1.1. Takes care of building full user interface 1.2. Supports scanning using a web-cam or camera on the device with real-time camera feeds. 1.3. Support scanning local images … See more
Latest: 1. Ability to scan different kinds of 1D codes and 2D codes. 1.1. See all supported formats here. 1.2. Scanned format type and the name returned in the … See more
Follow the steps below to integrate QR code or barcode scanning capabilities into your web application: See more
If you want to build your user interface, you can make use of the public APIs exposed by Html5Qrcodeclass: See more
- 1. Major UI overhaul - issue#207
- 2. Remembering last used camera - issue#85, discus… See more
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