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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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42
dom/tests/mochitest/whatwg/postMessage_override_helper.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>Overriding postMessage and dispatchEvent bindings</title>
<script type="application/javascript">
window.postMessage = function (evt)
{
window.parent.postMessage("FAIL overridden postMessage called", "*");
};
var count = 0;
function receiveMessage(evt)
{
count++;
if (count == 1)
{
window.dispatchEvent = function(evt)
{
window.parent.postMessage("FAIL", "*");
throw "dispatchEvent threw";
};
}
window.parent.postMessage(evt.data, "http://mochi.test:8888");
}
function setup()
{
var target = document.getElementById("location");
target.textContent = location.hostname + ":" + (location.port || 80);
}
window.addEventListener("message", receiveMessage, false);
window.addEventListener("load", setup, false);
</script>
</head>
<body>
<h1 id="location">No location!</h1>
</body>
</html>