| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>CSS Test: A Web Animations on ::backdrop</title> | |
| <link rel="help" href="https://fullscreen.spec.whatwg.org/#::backdrop-pseudo-element"> | |
| <link rel="match" href="backdrop-animate-002-ref.html"> | |
| <dialog id="target">Dialog contents</dialog> | |
| <script> | |
| const target = document.getElementById("target"); | |
| target.showModal(); | |
| target.animate({ | |
| opacity: [0.1, 0.1], | |
| backgroundColor: ["green", "green"] | |
| }, { | |
| pseudoElement: "::backdrop", | |
| duration: Infinity | |
| }); | |
| </script> |