<!doctype html><title>CSS Test: Change display for the ::first-letter container while replacing text node</title><linkrel="help"href="https://drafts.csswg.org/css-pseudo/#first-letter-pseudo"><linkrel="match"href="../reference/pass_if_letter_uppercase.html"><style>#container::first-letter{text-transform:uppercase}#container.ib{display:inline-block}</style><body><p>Test passes if the letter "F" in the words "Filler Text" below is in upper-case.</p><divid="container">Test not run</div></body><script>container.offsetTop;container.className="ib";container.appendChild(document.createTextNode("filler Text"));container.firstChild.remove();</script>
