<!DOCTYPE html>
<script>
function ok(v, msg) {
window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
}
function done(reg) {
ok(reg.active, "The active worker should be available.");
window.parent.postMessage({status: "registrationdone"}, "*");
}
navigator.serviceWorker.ready.then(done);
navigator.serviceWorker.register("origin_test.js", {scope: "."});
</script>