tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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backdrop-dynamic-style-change.html (691B)

      1 <!DOCTYPE html>
      2 <html>
      3 <head>
      4 <link rel="match" href="backdrop-dynamic-style-change-ref.html">
      5 <link rel="help" href="https://fullscreen.spec.whatwg.org/#new-stacking-layer">
      6 <style>
      7 dialog {
      8    visibility: hidden;
      9 }
     10 
     11 ::backdrop {
     12    visibility: visible;
     13    position: absolute;
     14    top: 100px;
     15    left: 100px;
     16    height: 100px;
     17    width: 100px;
     18    background-color: red;
     19 }
     20 
     21 .green::backdrop {
     22    background-color: green;
     23 }
     24 </style>
     25 </head>
     26 <body>
     27 Test dynamic changes to ::backdrop style. The test passes if there is a green box below.
     28 <dialog></dialog>
     29 <script>
     30 dialog = document.querySelector('dialog');
     31 dialog.showModal();
     32 dialog.classList.add('green');
     33 </script>
     34 </body>
     35 </html>