packages/bio-parsers/umd_demo.html

<html>
  <head>
    <script src="https://unpkg.com/@teselagen/bio-parsers/index.umd.js"></script>
    <!-- you can also specify a version: <script src="https://unpkg.com/@teselagen/bio-parsers@0.1.4/index.umd.js"></script> -->
    <script>
      async function main() {
        var jsonOutput = await window.bioParsers.genbankToJson(
          `LOCUS       kc2         108 bp    DNA     linear    01-NOV-2016
COMMENT             teselagen_unique_id: 581929a7bc6d3e00ac7394e8
FEATURES             Location/Qualifiers
     CDS             1..108
                     /label="GFPuv"
     misc_feature    61..108
                     /label="gly_ser_linker"
     bogus_dude      4..60
                     /label="ccmN_sig_pep"
     misc_feature    4..60
                     /label="ccmN_nterm_sig_pep"
                     /pragma="Teselagen_Part"
                     /preferred5PrimeOverhangs=""
                     /preferred3PrimeOverhangs=""
ORIGIN
        1 atgaaggtct acggcaagga acagtttttg cggatgcgcc agagcatgtt ccccgatcgc
       61 ggtggcagtg gtagcgggag ctcgggtggc tcaggctctg ggg
//`
        );
        console.log("jsonOutput:", jsonOutput);

        var genbankString = window.bioParsers.jsonToGenbank(
          jsonOutput[0].parsedSequence
        );
        console.log(genbankString);
      }
      main();
    </script>
  </head>
</html>