wpt / css / css-transforms / css-transform-property-existence.html

Status: PASS | Duration: 48ms | Subtests: 6/6 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (6/6)

Data from commit:
dc9e62f Box the per-node transform to shrink ElementData (#796) (2026-09-02)

SubtestStatusMessage
Check the existence of transform.PASS
Check the existence of transform-origin.PASS
Check the existence of transform-style.PASS
Check the existence of perspective.PASS
Check the existence of perspective-origin.PASS
Check the existence of backface-visibility.PASS

/css/css-transforms/css-transform-property-existence.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS Transforms Test: property existence</title>
    <link rel="author" title="Intel" href="http://www.intel.com">
    <link rel="help" href="http://www.w3.org/TR/css-transforms-1/#propdef-transform">
    <meta name="flags" content="dom">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>
  <body>
    <div id="test"></div>
    <div id="log"></div>
    <script>
      [
        'transform',
        'transform-origin',
        'transform-style',
        'perspective',
        'perspective-origin',
        'backface-visibility',
      ].forEach(property => {
        test(() => {
          assert_true(
            property in document.getElementById('test').style,
            `expect ${property}`,
          );
        }, `Check the existence of ${property}.`);
      });
    </script>
  </body>
</html>