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<!doctype html>
<html class="reftest-wait">
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<style>
textarea {
font: 13px / 1 monospace;
border: 1px solid;
padding: 0;
overflow: hidden;
resize: none;
}
</style>
<textarea rows=5>
a
b
c
d
</textarea>
<script>
SimpleTest.waitForFocus(function() {
let textarea = document.querySelector("textarea");
textarea.focus();
textarea.selectionStart = textarea.selectionEnd = textarea.value.length;
setTimeout(() => {
document.documentElement.removeAttribute("class");
}, 0);
});
</script>