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  1. QuaggaJS, an advanced barcode-reader written in JavaScript

    • QuaggaJS is a barcode-scanner entirely written in JavaScript supporting real-time localization and decoding of various types of barcodes such as EAN,CODE 128, CODE 39, EAN 8, UPC-A, UP… See more

    Yet Another Barcode Library?

    This is not yet another port of the great zxinglibrary, butmore of an extension to it. This implementation features a barcode locator whichis capable of finding a barcode-like pattern in an image resulting in anestimate… See more

    Browser Support

    Quagga makes use of many modern Web-APIs which are not implemented by allbrowsers yet. There are two modes in which Quagga operates: 1. analyzing staticimages and 2. using a camera to decode th… See more

    Building

    You can build the library yourself by simply cloning the repo and typing: This npm script builds a non optimized version quagga.js and a minifiedversion quagga.min.js and places both files in the dist … See more

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    Upvotes1Top Answeranswered 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.

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    May 25, 2017 · QuaggaJS is a barcode-scanner entirely written in JavaScript supporting real- time localization and decoding of various types of barcodes such as EAN, CODE 128, CODE 39, EAN 8, UPC-A, UPC-C, I2of5 and CODABAR. …

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