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{
"title":"CSS Font Loading",
"description":"This CSS module defines a scripting interface to font faces in CSS, allowing font faces to be easily created and loaded from script. It also provides methods to track the loading status of an individual font, or of all the fonts on an entire page.",
"spec":"https://www.w3.org/TR/css-font-loading-3/",
"status":"wd",
"links":[
{
"url":"https://www.igvita.com/2014/01/31/optimizing-web-font-rendering-performance/#font-load-events",
"title":"Optimizing with font load events"
},
{
"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6509785-css-font-loading",
"title":"Microsoft Edge feature request on UserVoice"
}
],
"bugs":[
{
"description":"If _none_ of the specified fonts exist, `FontFaceSet.check()` should [return `true`](https://drafts.csswg.org/css-font-loading/#font-face-set-check) due to [the privacy concern](https://github.com/w3c/csswg-drafts/issues/5744) regarding fingerprinting. Chrome/Blink-based browsers return `false`."
}
],
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"CSS3",
"JS API"
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"notes_by_num":{
"1":"Can be enabled in Firefox using the `layout.css.font-loading-api.enabled` flag. Enabled by default in Firefox 41. See [this bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1149381)"
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