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<!DOCTYPE html>
<html>
<title>Service Workers: onmessage</title>
<head>
<link rel="help" href="https://w3c.github.io/ServiceWorker/#service-worker-global-scope-onmessage">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<!--
`self.onmessage` is the [event handler][1] that must be supported as attribute
by the `ServiceWorkerGlobalScope` object. `ServiceWorkerGlobalScope` objects
act as if they had an implicit `[MessagePort][2]` associated with them. This
port is part of a channel that is set up when the worker is created, but it is
not exposed. This object must never be garbage collected before the
`ServiceWorkerGlobalScope` object.
All messages received by that port must immediately be retargeted at the
`ServiceWorkerGlobalScope` object. That is, an event named `message` using the
`[MessageEvent][3]` interface is dispatched on ServiceWorkerGlobalScope object.
The `event.source` of these `[MessageEvent][3]`s are instances of `[Client][4]`.
[1]: http://goo.gl/rBfiz0
[2]: http://goo.gl/tHBrI6
[3]: http://goo.gl/S5e0b6
[4]: #client-interface
-->
<script>
test(function() {
// not_implemented();
}, "There are no tests for section onmessage so far.");
</script>
</body>
</html>
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