examples/barchart07_final_ts.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <title>Student's First Barchart</title>
    <meta name="description" content="Student's First Barchart" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <script src="https://cdn.polyfill.io/v2/polyfill.min.js"></script>
    <script src="../web_modules/d3/dist/d3.js"></script>
    <link href="./style.css" rel="stylesheet" />
    <style>
      rect {
        fill: steelblue;
        fill-opacity: 0.8;
      }
      rect:hover {
        fill-opacity: 1;
      }
      .axis {
        font-size: smaller;
      }
    </style>
  </head>
  <body>
    <h1>Student's First Barchart</h1>

    <div>
      <strong>Filter:</strong>
      <label><input type="checkbox" name="US" value="1" id="filter-us-only" />US only</label>
    </div>

    <script src="./barchart07_final_ts.js"></script>
  </body>
</html>