demo.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>jisg demo</title>
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <link rel="stylesheet" href="./src/style.css">
  </head>
  <body>
    <h1>jisg demo</h1>
    <p><em>jisg v<span id="version">0.0.0</span></em></p>
    <pre id="out" style="white-space: pre-wrap;">A000045: </pre>
    <script src="./dist/index.umd.js"></script>
    <script>
      document.addEventListener('DOMContentLoaded', function() {
        document.getElementById('version').innerText = jisg.version
        const out = document.getElementById('out')
        const generator = jisg.A000045()
        setInterval(
          function() {
            out.innerText += generator.next().value + ', '
          },
          17
        )
      })
    </script>
  </body>
</html>