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<html>
<head>
<script>
document.write('<script src="' + (/[?&]webChannelBaseUrl=([A-Za-z0-9\-:/]+)/.exec(location.search)[1]) + '/webchannel.js/createWebChannel"><' + '/script>');
function output(x)
{
document.querySelector("#out").innerHTML += x + "<br/>";
}
</script>
<script>
window.onload = function() {
createWebChannel(function(c) {
c.subscribe(
"foobar",
function(message) {
output(message);
}
);
window.send = function() {
c.exec(
JSON.stringify({a:"This is a request from HTML"}),
function(response) {
output(JSON.parse(response).b);
}
);
};
window.send();
});
};
</script>
</head>
<body>
<a href="javascript:send()">Go</a>
<div id="out"></div>
</body>
</html>
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