isbn barcode generator script src https cdnjs cloudflare com ajax libs bwip js 3 2 2 bwip js min js script script let type ISBN let isbn 978 1 56581 231 4 let mycanvas document createElement canvas mycanvas id mycanvas document body appendChild mycanvas let canvas bwipjs toCanvas mycanvas bcid isbn Barcode type text isbn Text to encode scale 3 3x scaling factor height 10 Bar height in millimeters includetext true Show human readable text textxalign center Always good to set this console log canvas canvas let imgurl canvas toDataURL image png document body appendChild document createElement br document body appendChild document createElement br let img document createElement img img src imgurl document body appendChild img console log ready script
10 Bar height in millimeters includetext true Show human readable text textxalign center Always good to set this console log canvas canvas let imgurl canvas toDataURL image png document body appendChild document createElement br document body appendChild document createElement br let img document createElement img img src imgurl document body appendChild img console log ready script