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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
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<html>
<meta charset="utf-8">
<body>
<script type="text/javascript">
var worker;
function start(workerCount, messageCallback) {
var seenWindowError;
window.onerror = function(message, filename, lineno) {
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seenWindowError = true;
messageCallback({
type: "window",
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event.preventDefault();
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worker.postMessage(workerCount);
}
function stop() {
worker.terminate();
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</script>
</body>
</html>
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