index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="author" content="Adam Malantonio <adam.malantonio@gmail.com>">
    <title>Barcode Duplicator</title>
    <link rel="stylesheet" href="style.css">
  </head>
  <body>
    <h1>barcode duplicator</h1>
    <form class="barcode-form">
      <label for="barcode">barcode</label>
      <input type="text" id="barcode" value="" autocomplete="off">

      <label for="copies"># of copies</label>
      <input type="number" id="copies" value="1">

      <button type="submit">Duplicate</button>
      <button class="clear">Clear</button>
    </form>

    <div class="barcode-target"></div>

    <script src="connectcode-javascript-code39.js"></script>
    <script src="barcodes.js"></script>
  </body>
</html>