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<!-- Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ -->
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
<meta http-equiv="Pragma" content="no-cache" />
<meta http-equiv="Expires" content="0" />
<title>Network Observer missing service worker test page</title>
</head>
<body>
<p>Network Observer test page</p>
<script type="text/javascript">
/* exported registerServiceWorker */
"use strict";
function registerServiceWorker() {
const sw = navigator.serviceWorker;
// NOTE: This service worker file does not exist which enables testing
// that a 404 requests is received.
return sw.register("serviceworker-missing.js")
.then(registration => {
throw new Error("The Service Worker file should not exist");
}).catch(err => {
console.log("Registration failed as expected");
});
}
</script>
</body>
</html>
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