tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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240470-1-ref.html (458B)

      1 <!DOCTYPE html>
      2 <body>
      3 <html>
      4 <select id="test" size="8">
      5 </select>
      6 <script>
      7  var optgroup = document.createElement("optgroup");
      8  optgroup.setAttribute('label', 'An optgroup');
      9  var option = document.createElement("option");
     10  var optionText = document.createTextNode("An option");
     11  option.appendChild(optionText);
     12  var select = document.getElementById("test");
     13 
     14  optgroup.appendChild(option);
     15  select.appendChild(optgroup);
     16 </script>
     17 </body>
     18 </html>