Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<html>
<body>
<p id='location'></p>
<div id='log'></div>
<script>
document.querySelector('#location').innerHTML = window.origin;
let received = new Map();
window.onmessage = (e) => {
let msg = e.data + ' (from ' + e.origin + ')';
document.querySelector('#log').innerHTML += '<p>' + msg + '<p>';
if (e.data.hasOwnProperty('id')) {
e.source.postMessage(
received.get(e.data.id) ? 'RECEIVED' : 'NOT_RECEIVED', '*');
return;
}
if (e.data.toString() == '[object EncodedVideoChunk]') {
received.set(e.data.timestamp, e.data);
}
};
</script>
</body>
</html>