tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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var-reference-registered-properties-002.html (1130B)

      1 <!DOCTYPE HTML>
      2 <link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api/#dom-css-registerproperty" />
      3 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1899272">
      4 <script src="/resources/testharness.js"></script>
      5 <script src="/resources/testharnessreport.js"></script>
      6 <div id=element></div>
      7 <script>
      8 test(function() {
      9  CSS.registerProperty({
     10    name: '--length-calc',
     11    syntax: '<length>',
     12    initialValue: '0px',
     13    inherits: true
     14  });
     15  CSS.registerProperty({
     16    name: '--length-calc-reset',
     17    syntax: '<length>',
     18    initialValue: '0px',
     19    inherits: false
     20  });
     21  let element = document.getElementById("element");
     22  element.style = 'font-size: 11px; --length-calc: calc(10em + 10px); --unregistered:var(--length-calc-reset); --length-calc-reset: var(--length-calc)';
     23  let cs = getComputedStyle(element);
     24  for (let prop of ["--length-calc", "--length-calc-reset", "--unregistered"]) {
     25    assert_equals(cs.getPropertyValue(prop), "120px", "Should resolve properly: " + prop);
     26  }
     27 }, "Property dependency tracking across inherited and non-inherited properties");
     28 </script>