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<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<meta charset="utf-8">
<script>
function test1() {
synthesizeKey("KEY_ArrowDown");
synthesizeKey("KEY_ArrowDown");
// caret should now be at the start of the third line
document.body.offsetHeight;
requestAnimationFrame(() => requestAnimationFrame(() => {
document.documentElement.removeAttribute("class");
}));
}
function runTests() {
document.querySelector('textarea').focus();
document.body.offsetHeight;
}
</script>
</head>
<body>
<textarea onfocus="test1()" spellcheck="false" style="-moz-appearance:none;scrollbar-width:none">abc
def
ghi</textarea>
<script>
SimpleTest.waitForFocus(runTests);
</script>
</body>
</html>