qrcode-reader.js

1.0.3 • Public • Published

QrCode.js

Javascript library to read QR codes in the browser

Installation

Note: The script creates a grobal variable named QrReader, in future versions this library will be compatible with different module loaders.

Using Bower

Install the library using:

bower install --save qrcode-reader.js 

Use it from the html.

    <script src="bower_componets/dist/qrcode.js"></script> 

Using Npm

npm i qrcode-reader.js

Use it from the html.

    <script src="node_modules/dist/qrcode.js"></script> 

Manually including scripts

Download the javascript file from the next link and add it to your source:

https://raw.githubusercontent.com/IagoLast/qrcodejs/master/dist/qrcode.js

Simple example

This code creates a webcam canvas which border will turn green when a code is readed.

<html>
 
<head>
  <title>QRCode.js</title>
  <script type="text/javascript" src="dist/qrcode.js"></script> 
</head>
<body>
  <video width="320px" height="240px" id="video" autoplay></video>
</body>
<script>
function onSuccess(data) {
  document.getElementById('video').setAttribute("style", "border: 3px solid #52e250");
  console.log('Sucess:', data);
}
 
function onError(err) {
  console.error(err);
}
var qr = new QrReader({
  sucessCallback: onSuccess,
  errorCallback: onError,
  videoSelector: '#video',
  stopOnRead: true,
});
</script> 
 
</html>

Author

@iagolast

License

MIT

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Install

npm i qrcode-reader.js

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Version

1.0.3

License

MIT

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Collaborators

  • iagolast