typing_letter_spacing2.html | Explore in Territory

<!doctype html>
<script src="../../resources/ahem.js"></script>
<style>
.sample {
    font: 10px/15px Ahem;
    letter-spacing: 20px;
}
</style>
<div class="sample" id="target">abcDEfg</div>
<div class="sample" id="expected">abcdefg</div>
<script>
document.body.offsetHeight;
const text = target.firstChild;
text.replaceData(3, 2, 'de');
</script>

chromium/third_party/blink/web_tests/editing/inserting/typing_letter_spacing2.html