Blitz - WPT: text-box-trim-dynamic-002.html

wpt / css / css-inline / text-box-trim / text-box-trim-dynamic-002.html

/css/css-inline/text-box-trim/text-box-trim-dynamic-002.html

<!DOCTYPE html>
<html class=reftest-wait>
<title>Dynamically adding text-box-edge</title>
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#text-box-edge">
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#text-box-trim">
<link rel="match" href="text-box-trim-dynamic-001-ref.html">
<link rel="stylesheet" href="/fonts/baseline-diagnostic/baseline-diagnostic-font.css">
<meta charset="utf-8">
<style>
.spacer {
  background: lightgray;
  block-size: 100px;
}
.target {
  font: 100px/2 BaselineDiagnosticAlphabeticZero;
  text-box-trim: trim-both;
}
.trim { text-box-edge: ex alphabetic; }
</style>
<div class="spacer"></div>
<div class="target">█BxIF</div>
<div class="spacer"></div>
<script>
document.body.offsetTop;
for (const target of document.getElementsByClassName('target')) {
  target.classList.add('trim');
}
document.documentElement.className = "";
</script>

/css/css-inline/text-box-trim/text-box-trim-dynamic-001-ref.html

<!DOCTYPE html>
<link rel="stylesheet" href="/fonts/baseline-diagnostic/baseline-diagnostic-font.css">
<meta charset="utf-8">
<style>
.spacer {
  background: lightgray;
  block-size: 100px;
}
.target {
  font: 100px/1 BaselineDiagnosticAlphabeticZero;
  margin-block-start: calc(-1em * var(--baseline-diagnostic-alphabetic-zero-x-height));
  margin-block-end: calc(-1em * (1 - var(--baseline-diagnostic-alphabetic-zero-alphabetic)));
}
</style>
<div class="spacer"></div>
<div class="target">█BxIF</div>
<div class="spacer"></div>