Neel Bhanushali neelbhanushali
neelbhanushali
/ usb-connected-hand-held-barcode-scanner-input.js
Last active
December 30, 2024 15:04
Javascript for detecting usb connected - hand held - barcode scanner input
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| // Author: Neel Bhanushali <[email protected]> | |
| document.addEventListener('keydown', function(e) { | |
| // add scan property to window if it does not exist | |
| if(!window.hasOwnProperty('scan')) { | |
| window.scan = [] | |
| } | |
| // if key stroke appears after 10 ms, empty scan array | |
| if(window.scan.length > 0 && (e.timeStamp - window.scan.slice(-1)[0].timeStamp) > 10) { | |
| window.scan = [] |