Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<head>
<title>data URL shared worker</title>
</head>
<body>
<script>
onmessage = event => {
const port = event.ports[0];
// This shared worker counts the total number of connected documents and
// notifies the connector of it.
const kScript =
"onconnect = e => {" +
" if (self.count === undefined)" +
" self.count = 0;" +
" self.count++;" +
" e.ports[0].postMessage(self.count);" +
"};";
const worker = new SharedWorker('data:application/javascript,' + kScript);
worker.port.onmessage = e => port.postMessage(e.data);
};
window.opener.postMessage('LOADED', '*');
</script>
</body>
</html>