Balkenkode is a proof of concept to show, that it is feasalbe as well as performant to recognize barcodes in the browser with javascript and some html5.
This is interesting, because with the help of some native browser-device-briding framework (e.g PhoneGap), you can recognize autoid symologies in a device agnostic way.


Just link to main.js and adapt the inner part of the anonymous function to your needs. That means
Set the url of the image source
Set the id of the canvas needed to access the pixels and create ImageData-elements


Currently there is only the EAN13 (aka. ISBN, UPAC) symbology implemented. Code39 should be next.