QR Scanner for javascript js



QR Scanner
Javascript QR Code Scanner based on Cosmo Wolfe's javascript port of Google's ZXing library.

In this library, several improvements have been applied over the original port:

Web cam scanning support out of the box
Uses the browser's native BarcodeDetector if available
Lightweight: ~59.3 kB (~16.3 kB gzipped) minified with Google's closure compiler. If the native BarcodeDetector is available, only ~15.3 kB (~5.6 kB gzipped) are loaded.
Improved performance and reduced memory footprint.
Runs in a WebWorker which keeps the main / UI thread responsive.
Can be configured for better performance on colored QR codes.
According to our benchmarking this project's scanner engine's detection rate is about 2-3 times (and up to 8 times) as high as the one of the most popular javascript QR scanner library LazarSoft/jsqrcode. Also the other library oftentimes misreads the content of QR codes, while for this project no misreads occurred in the benchmarking.

The library supports scanning a continuous video stream from a web cam as well as scanning of single images.

The development of this library is sponsored by nimiq, world's first browser based blockchain.

js 용 qr 스캐너, 리더
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