The has() method of the FontFaceSet interface returns a Boolean asserting whether an element is present with the given value.
The has() method of the FontFaceSet interface returns a Boolean asserting whether an element is present with the given value.
js
has(value)
valueThe value to test for in the FontFaceSet object.
A Boolean, true if value exists in the FontFaceSet.
No specification data found for api.FontFaceSet.has.
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https://developer.mozilla.org/en-US/docs/Web/API/FontFaceSet/has