Barcode Scanner Detection
HTML
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>
<script src="//rawgit.com/kabachello/jQuery-Scanner-Detection/master/jquery.scannerdetection.js"></script>
<input id="userInput" type="text" autofocus/>
<input type="text" />
<br>
<div class="test">
<input id="scannerInput" type="text" value="barcodescan" autofocus/>
</div>
JavaScript
$(document).scannerDetection({
preventDefault: true,
//ignoreIfFocusOn: 'input[type="text"]'
});