| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <title>Querying keyframes for an effect in a removed iframe should not crash |
| </title> |
| <link rel="help" href="https://www.w3.org/TR/web-animations-1/#dom-keyframeeffect-getkeyframes"> |
| </head> |
| <body> |
| <div id="target"></div> |
| <iframe id="iframe"></iframe> |
| </body> |
| <script type="text/javascript"> |
| const target = document.getElementById('target'); |
| const iframe = document.getElementById('iframe'); |
| const keyframes = [{ background: 'green' }, { background: 'blue' }, ]; |
| const effect = new iframe.contentWindow.KeyframeEffect(target, keyframes); |
| iframe.parentNode.removeChild(iframe); |
| const result = effect.getKeyframes(); |
| </script> |
| </html> |
