 spectre: 'https://unpkg.com/spectre.css/dist/spectre-icons.min.css',
        bootstrap: 'https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.5/font/bootstrap-icons.css'
      };

      document.querySelector('#iconlib_stylesheet').href = mapping[iconlib];
      initJsoneditor(theme, iconlib)
    });

    initJsoneditor()
  </script>
  </body>
</html>
