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<!doctype html>
<title>register, unregister, and report result to opener</title>
<body>
<script>
'use strict';
if (!navigator.serviceWorker) {
window.opener.postMessage('FAIL: navigator.serviceWorker is undefined', '*');
} else {
navigator.serviceWorker.register('empty-worker.js', {scope: 'scope-register'})
.then(
registration => {
registration.unregister().then(() => {
window.opener.postMessage('OK', '*');
});
},
error => {
window.opener.postMessage('FAIL: ' + error.name, '*');
})
.catch(error => {
window.opener.postMessage('ERROR: ' + error.name, '*');
});
}
</script>
</body>
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