Home » Development » CSS » Options to detect when a @font-face has been loaded
Use the CSS font loading API. Not supported in all browsers yet (MDN, W3C). You can call document.fonts to get a FontFaceSet object.
document.fonts.check('bold 16px Roboto'); // true or false
Use Font Face Observer – its a small @font-face loader and monitor compatible with any web font service. It will monitor when a web font is applied to the page and notify you. It does not limit you in any way in where, when, or how you load your web fonts. Unlike the Web Font Loader Font Face Observer uses scroll events to detect font loads efficiently and with minimum overhead.
Use jQuery-FontSpy.js, works by checking the change in width of a string.
Use Webfont Loader, if loading fonts from Typekit , Fonts.com, Google, Fontdeck or custom location.
This introduces the following events:
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