JSbarcode Lib is already there in V11.
So we can make use of it to print barcode in any printformat.
We have been using the below code snippet in v10
<svg class="barcode"
jsbarcode-margin="0"
jsbarcode-margintop="0"
jsbarcode-marginbottom="1"
jsbarcode-height="25"
jsbarcode-width="1"
jsbarcode-fontsize="12"
jsbarcode-flat="true"
jsbarcode-value="{{ doc.barcode}}"/></br>
<script src="https://cdn.jsdelivr.net/npm/jsbarcode@3.9.0/dist/JsBarcode.all.min.js"></script>
<script>
JsBarcode(".barcode").init();
</script>
Using this we were able to print barcode on pos sales invoice receipts (Receipt Number as barcode), Item barcode in label print of 1.5cm X 1cm as well as sales invoice in A4 size.
@akurungadam replace the below line with the new one for V11.
<script src="https://cdn.jsdelivr.net/npm/jsbarcode@3.9.0/dist/JsBarcode.all.min.js"></script>