<!DOCTYPE html>
<html>
<head>
<style>
::-webkit-scrollbar {
width: 0px;
height: 0px;
}
.fixed-no-z-index {
position: absolute;
left: 10px;
}
.fixed-with-z-index {
position: fixed;
z-index: 1;
left: 10px;
}
</style>
<script>
if (window.internals && window.eventSender) {
internals.settings.setPreferCompositingToLCDTextEnabled(true);
internals.setPageScaleFactor(2);
}
function test() {
var d = document.getElementById('frame').contentDocument.open();
d.write("<div style='position:fixed; z-index: 1; left; 10px;'>TEST</div>");
d.close();
}
</script>
</head>
<body onload="test();" style="width:2000px;height:2000px;">
<div class="fixed-no-z-index">TEST</div><br>
<iframe id="frame"></iframe>
</body>
</html>