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foft.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>FOFT</title>
<link rel="preload" href="font-lato/lato-regular-webfont.woff2" as="font" type="font/woff2" crossorigin>
<style>
@font-face {
font-family: LatoInitial;
src: url('font-lato/lato-regular-webfont.woff2') format('woff2'),
url('font-lato/lato-regular-webfont.woff') format('woff');
}
@font-face {
font-family: Lato;
src: url('font-lato/lato-regular-webfont.woff2') format('woff2'),
url('font-lato/lato-regular-webfont.woff') format('woff');
}
@font-face {
font-family: Lato;
src: url('font-lato/lato-bold-webfont.woff2') format('woff2'),
url('font-lato/lato-bold-webfont.woff') format('woff');
font-weight: 700;
}
@font-face {
font-family: Lato;
src: url('font-lato/lato-italic-webfont.woff2') format('woff2'),
url('font-lato/lato-italic-webfont.woff') format('woff');
font-style: italic;
}
@font-face {
font-family: Lato;
src: url('font-lato/lato-bolditalic-webfont.woff2') format('woff2'),
url('font-lato/lato-bolditalic-webfont.woff') format('woff');
font-weight: 700;
font-style: italic;
}
body {
font-family: sans-serif;
}
.fonts-loaded-1 body {
font-family: LatoInitial;
}
.fonts-loaded-2 body {
font-family: Lato;
}
</style>
<script>
(function() {
if( "fonts" in document ) {
// Optimization for Repeat Views
if( sessionStorage.fontsLoadedFoft ) {
document.documentElement.className += " fonts-loaded-2";
return;
}
document.fonts.load("1em LatoInitial").then(function () {
document.documentElement.className += " fonts-loaded-1";
Promise.all([
document.fonts.load("400 1em Lato"),
document.fonts.load("700 1em Lato"),
document.fonts.load("italic 1em Lato"),
document.fonts.load("italic 700 1em Lato")
]).then(function () {
document.documentElement.className += " fonts-loaded-2";
// Optimization for Repeat Views
sessionStorage.fontsLoadedFoft = true;
});
});
}
})();
</script>
</head>
<body>
<h1>FOFT, Flash of Faux Text</h1>
<p>This is a paragraph. <strong>This is heavier text.</strong> <em>This is emphasized text.</em> <strong><em>This is heavier and emphasized text.</em></strong></p>
<hr style="margin-top: 2em">
<ul>
<li>This demo is a companion to <a href="https://www.zachleat.com/web/comprehensive-webfonts/">A Comprehensive Guide to Font Loading Strategies</a></li>
<li>See all demos on <a href="https://github.com/zachleat/web-font-loading-recipes">GitHub <code>zachleat/web-font-loading-recipes</code></a></li>
</ul>
</body>
</html>