<!DOCTYPE> <title>Setting font of offscreen</title> <script src="/css/css-fonts/support/font-family-keywords.js"></script> <link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-family-prop"> <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1056386"> <script> let ctx = (new OffscreenCanvas(1024, 50)).getContext('2d'); function setFont(keyword) { ctx.font = `12px ${keyword}` }; kNonGenericFontFamilyKeywords.forEach(setFont); kGenericFontFamilyKeywords.forEach(keyword => { setFont(`-webkit-${keyword}`); }); </script>