| <!DOCTYPE html> |
| <html class='test-wait'> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <title>Starting an animation with an effectively infinite timing parameters |
| </title> |
| </head> |
| <!-- crbug.com/400741639 --> |
| <body> |
| <div id="target">test</div> |
| </body> |
| <script> |
| async function raf(n) { |
| return new Promise(resolve => { |
| const tick = () => { |
| if (--n) { |
| requestAnimationFrame(tick); |
| } else { |
| resolve(); |
| } |
| } |
| requestAnimationFrame(tick); |
| }); |
| }; |
| |
| window.onload = async () => { |
| const target = document.getElementById('target'); |
| const anim = target.animate([ |
| {"transform": "scale(2)"}, |
| {"transform": "none"} |
| ], { |
| duration: 95903184853313357582278077554606, |
| iterationStart: 3.165661661777848e+19, |
| }); |
| await anim.ready; |
| await raf(5); |
| document.documentElement.classList.remove('test-wait'); |
| }; |
| </script> |
| </html> |
