EAN-13 Barcodes in vanilla JavaScript

EAN-13 Barcodes written in vanilla JavaScript

Enter text (a 12-digit number), enter a non-ridiculous height in pixels, enter a width between 4 (so small) and 40 (gigantor) and press the button. Magic will ensue. Print page or copy HTML out of box and paste it where it will do some good.

Enter Text:   Height:   Width: