FontFaceSet extension type
The FontFaceSet
interface of the
CSS Font Loading API
manages the loading of font-faces and querying of their download status.
A FontFaceSet
instance is a
Set
-like object
that can hold an ordered set of FontFace objects.
This property is available as Document.fonts, or self.fonts
in
web workers.
API documentation sourced from MDN Web Docs.
- on
- Implemented types
- Available extensions
Constructors
-
FontFaceSet(JSArray<
FontFace> initialFaces) -
factory
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- onloading ↔ EventHandler?
-
getter/setter pair
- onloadingdone ↔ EventHandler?
-
getter/setter pair
- onloadingerror ↔ EventHandler?
-
getter/setter pair
-
ready
→ JSPromise<
FontFaceSet> -
The
ready
read-only property of the FontFaceSet interface returns aPromise
that resolves to the given FontFaceSet.no setter - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- status → FontFaceSetLoadStatus
-
The
status
read-only property of the FontFaceSet interface returns the loading state of the fonts in the set.no setter
Methods
-
add(
FontFace font) → FontFaceSet -
The
add()
method of the FontFaceSet interface adds a new font to the set. -
addEventListener(
String type, EventListener? callback, [JSAny options]) → void -
The
addEventListener()
method of the EventTarget interface sets up a function that will be called whenever the specified event is delivered to the target.inherited -
check(
String font, [String text]) → bool -
The
check()
method of the FontFaceSet returnstrue
if you can render some text using the given font specification without attempting to use any fonts in thisFontFaceSet
that are not yet fully loaded. This means you can use the font specification without causing a font swap. -
clear(
) → void -
The
clear()
method of the FontFaceSet interface removes all fonts added via this interface. Fonts added with the rule are not removed. -
delete(
FontFace font) → bool -
The
delete()
method of the FontFaceSet interface removes a font from the set. -
dispatchEvent(
Event event) → bool -
The
dispatchEvent()
method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) also apply to events dispatched manually withdispatchEvent()
.inherited -
load(
String font, [String text]) → JSPromise< JSArray< FontFace> > -
The
load()
method of the FontFaceSet forces all the fonts given in parameters to be loaded. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeEventListener(
String type, EventListener? callback, [JSAny options]) → void -
The
removeEventListener()
method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener from the target. The event listener to be removed is identified using a combination of the event type, the event listener function itself, and various optional options that may affect the matching process; see Matching event listeners for removal.inherited -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited