fontface-size-adjust-descriptor.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-font-loading/fontface-size-adjust-descriptor.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Tests that the sizeAdjust attribute of FontFace works</title>

<meta charset="utf-8">

<link rel="author" href="mailto:jkew@mozilla.com">

<link rel="help" href="https://drafts.csswg.org/css-font-loading/#fontface-interface">

<link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-size-adjust-desc">

<link rel="match" href="fontface-size-adjust-descriptor-ref.html">

<script>

const ahem = new FontFace(

    'Ahem-normal',

    'local("Ahem"), url("/fonts/Ahem.ttf")');

document.fonts.add(ahem);

const large = new FontFace(

    'Ahem-large',

    'local("Ahem"), url("/fonts/Ahem.ttf")',

    {sizeAdjust: "200%", unicodeRange: "U+20,U+41-5A"});

document.fonts.add(large);

</script>

<style>

#target {

  font-family: "Ahem-large", "Ahem-normal";

  font-size: 20px;

  letter-spacing: 10px;

</style>

<p>The first and fourth characters should be double-sized:</p>

<div id="target">

  FooBar

</div>