FontFaceSet.delete()
The delete() method of the FontFaceSet interface removes a font from the set.
Syntax
FontFaceSet.delete(font)
Parameters
font- 
    
A
FontFaceto be removed from the set. 
Return Value
A boolean value which is true if the deletion was successful.
Note: if the font passed into this method was added via the CSS @font-face rule, the method will return false as it is not possible to modify fonts added via CSS.
Examples
In the following example a new FontFace object is created and then deleted from the FontFaceSet.
let font = new FontFace('MyFont', 'url(myFont.woff2)');
document.fonts.delete(font);
Specifications
| Specification | 
|---|
| CSS Font Loading Module Level 3  # dom-fontfaceset-delete  | 
Browser compatibility
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