tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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if-supports-quirks.html (739B)

      1 <!-- quirks mode -->
      2 <title>CSS Values and Units Test: CSS inline if() function supports() in quirks mode</title>
      3 <meta name="assert" content="Test inline if() function with supports() query in quirks mode">
      4 <link rel="help" href="https://drafts.csswg.org/css-values-5/#if-notation">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 <style>
      8    div {
      9      color: red;
     10      --x: if(supports(width: 30): true_value; else: false_value;)
     11    }
     12 </style>
     13 <div id="if">test</div>
     14 <script>
     15  setup({ single_test: true });
     16  var elem = document.getElementById("if");
     17  let val = window.getComputedStyle(elem).getPropertyValue("--x");
     18  assert_equals(val, "true_value");
     19  done();
     20 </script>