tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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dialog-active-document.html (619B)

      1 <!DOCTYPE html>
      2 <meta charset="utf-8">
      3 <link rel="author" href="mailto:masonf@chromium.org">
      4 <link rel=help href="https://github.com/whatwg/html/pull/10705">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 
      8 <script>
      9  test(() => {
     10    const doc = document.implementation.createHTMLDocument();
     11    const dialog = doc.createElement('dialog');
     12    doc.body.appendChild(dialog);
     13    assert_throws_dom('InvalidStateError',() => dialog.showModal());
     14    assert_false(dialog.matches('[open]'));
     15  },'showModal should throw when the document isn\'t active');
     16 </script>