| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Test: Web Animations on ::checkmark (checkbox)</title> |
| <link rel="author" title="Tim Nguyen" href="https://github.com/nt1m"> |
| <link rel="help" href="https://drafts.csswg.org/css-forms/#checkmark"> |
| <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> |
| <style> |
| input { |
| all: unset; |
| appearance: base; |
| } |
| input::checkmark { |
| all: unset; |
| content: ""; |
| display: block; |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| <input type="checkbox" checked> |
| <script> |
| document.querySelector("input").animate({ |
| backgroundColor: ["green", "green"], |
| }, { |
| pseudoElement: "::checkmark", |
| duration: Infinity, |
| }); |
| </script> |
