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