18 lines
418 B
HTML
18 lines
418 B
HTML
<!DOCTYPE html>
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<style>
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iframe {
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width: 300px;
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height: 150px;
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border: none;
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}
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</style>
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<iframe src="http://{{domains[www2]}}:{{ports[http][0]}}/intersection-observer/resources/v2-subframe.html"></iframe>
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<script>
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window.addEventListener("message", event => {
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requestAnimationFrame(() => setTimeout(() => {
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document.querySelector('iframe').contentWindow.postMessage(event.data, "*");
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}));
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});
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</script>
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