| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api-1"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../resources/utils.js"></script> |
| <div id="target"></div> |
| <script> |
| |
| test(() => { |
| CSS.registerProperty({ |
| name: "--my-length", |
| syntax: "<length>", |
| inherits: false, |
| initialValue: "0px" |
| }); |
| |
| target.style.marginLeft = "var(--my-length)"; |
| |
| const duration = 1000; |
| const animation = target.animate({ "--my-length": "100px" }, duration); |
| animation.pause(); |
| animation.currentTime = duration / 4; |
| |
| assert_equals(getComputedStyle(target).marginLeft, "25px"); |
| }, "Animating a non-inherited CSS variable is reflected on a standard property using that variable as a value"); |
| |
| </script> |
