TextTrack extension type
The TextTrack interface—part of the API for handling WebVTT (text tracks
on media presentations)—describes and controls the text track associated
with a particular track element.
API documentation sourced from MDN Web Docs.
- on
- Implemented types
- Available extensions
Properties
- activeCues → TextTrackCueList?
- 
  The activeCuesread-only property of the TextTrack interface returns a TextTrackCueList object listing the currently active cues.no setter
- asString → String
- 
      Available on JSAny, provided by the JSAnyExtension extension no setter
- asString → String?
- 
      Available on JSAny?, provided by the JSAnyNullableExtension extension no setter
- cues → TextTrackCueList?
- 
  The cuesread-only property of the TextTrack interface returns a TextTrackCueList object containing all of the track's cues.no setter
- 
  entries
  → Iterable<MapEntry< String, dynamic> >
- 
      Available on JSObject, provided by the JSObjectExtension extension no setter
- hashCode → int
- 
  The hash code for this object.
  no setterinherited
- id → String
- 
  The idread-only property of the TextTrack interface returns the ID of the track if it has one.no setter
- inBandMetadataTrackDispatchType → String
- 
  The inBandMetadataTrackDispatchTyperead-only property of the TextTrack interface returns the text track's in-band metadata dispatch type of the text track represented by the TextTrack object.no setter
- isDefinedAndNotNull → bool
- 
      Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension no setter
- isElement → bool
- 
      Available on JSObject?, provided by the JSObjectWebExtension extension no setter
- isHTMLElement → bool
- 
      Available on JSObject?, provided by the JSObjectWebExtension extension no setter
- isNode → bool
- 
      Available on JSObject?, provided by the JSObjectWebExtension extension no setter
- isNull → bool
- 
      Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension Whether this value corresponds to JavaScriptnull.no setter
- isTruthy → JSBoolean
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result of!!in JavaScript.thisno setter
- isUndefined → bool
- 
      Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension Whether this value corresponds to JavaScriptundefined.no setter
- isUndefinedOrNull → bool
- 
      Available on JSAny?, provided by the NullableUndefineableJSAnyExtension extension no setter
- 
  keys
  → Iterable<String> 
- 
      Available on JSObject, provided by the JSObjectExtension extension no setter
- kind → TextTrackKind
- 
  The kindread-only property of the TextTrack interface returns the kind of text track this object represents. This decides how the track will be handled by a user agent.no setter
- label → String
- 
  The labelread-only property of the TextTrack interface returns a human-readable label for the text track, if it is available.no setter
- language → String
- 
  The languageread-only property of the TextTrack interface returns the language of the text track.no setter
- mode ↔ TextTrackMode
- 
  The TextTrack interface's
modeproperty is a string specifying and controlling the text track's mode:disabled,hidden, orshowing. You can read this value to determine the current mode, and you can change this value to switch modes.getter/setter pair
- not → JSBoolean
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result of!in JavaScript.thisno setter
- oncuechange ↔ EventHandler?
- 
  
  getter/setter pair
- runtimeType → Type
- 
  A representation of the runtime type of the object.
  no setterinherited
- sourceBuffer → SourceBuffer?
- 
  
  no setter
Methods
- 
  add(JSAny? any) → JSAny 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis+any
- 
  addCue(TextTrackCue cue) → void 
- 
  The addCue()method of the TextTrack interface adds a new cue to the list of cues.
- 
  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
- 
  and(JSAny? any) → JSAny? 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis&&any
- 
  as<T extends JSObject> () → T? 
- 
      Available on JSObject, provided by the JSObjectExtension extension 
- 
  callMethod<R extends JSAny?> (JSAny method, [JSAny? arg1, JSAny? arg2, JSAny? arg3, JSAny? arg4]) → R 
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension Callsmethodon this JSObject with up to four arguments.
- 
  callMethodVarArgs<R extends JSAny?> (JSAny method, [List< JSAny?> ? arguments]) → R
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension Callsmethodon this JSObject with a variable number ofarguments.
- 
  dartify() → Object? 
- 
      Available on JSAny?, provided by the JSAnyUtilityExtension extension Converts a JavaScript JSON-like value to the Dart equivalent if possible.
- 
  delete(JSAny property) → JSBoolean 
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension Deletes the property with keypropertyfrom this JSObject.
- 
  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
- 
  divide(JSAny? any) → JSAny 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis/any
- 
  equals(JSAny? any) → JSBoolean 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis==any
- 
  exponentiate(JSAny? any) → JSAny 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis**any
- 
  get(String key) → Object? 
- 
      Available on JSObject, provided by the JSObjectExtension extension 
- 
  getProperty<R extends JSAny?> (JSAny property) → R 
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension The value of the property keypropertyof this JSObject.
- 
  greaterThan(JSAny? any) → JSBoolean 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis>any
- 
  greaterThanOrEqualTo(JSAny? any) → JSBoolean 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis>=any
- 
  has(String property) → bool 
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension Shorthand helper for hasProperty to check whether this JSObject contains the property keyproperty, but takes and returns a Dart value.
- 
  hasProperty(JSAny property) → JSBoolean 
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension Whether or not this JSObject contains the property keyproperty.
- 
  instanceof(JSFunction constructor) → bool 
- 
      Available on JSAny?, provided by the JSAnyUtilityExtension extension Whether thisJSAny?is aninstanceofconstructor.
- 
  instanceOfString(String constructorName) → bool 
- 
      Available on JSAny?, provided by the JSAnyUtilityExtension extension Whether thisJSAny?is aninstanceofthe constructor that is defined byconstructorName, which is looked up in the globalContext.
- 
  isA<T extends JSAny?> () → bool 
- 
      Available on JSAny?, provided by the JSAnyUtilityExtension extension Whether thisJSAny?is an instance of the JavaScript type that is declared byT.
- 
  lessThan(JSAny? any) → JSBoolean 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis<any
- 
  lessThanOrEqualTo(JSAny? any) → JSBoolean 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis<=any
- 
  modulo(JSAny? any) → JSAny 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis%any
- 
  multiply(JSAny? any) → JSAny 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis*any
- 
  noSuchMethod(Invocation invocation) → dynamic 
- 
  Invoked when a nonexistent method or property is accessed.
  inherited
- 
  notEquals(JSAny? any) → JSBoolean 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis!=any
- 
  or(JSAny? any) → JSAny? 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis||any
- 
  put(Object key, Object? value) → void 
- 
      Available on JSObject, provided by the JSObjectExtension extension 
- 
  removeCue(TextTrackCue cue) → void 
- 
  The removeCue()method of the TextTrack interface removes a cue from the list of cues.
- 
  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
- 
  setProperty(JSAny property, JSAny? value) → void 
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension Write thevalueof property keypropertyof this JSObject.
- 
  strictEquals(JSAny? any) → JSBoolean 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis===any
- 
  strictNotEquals(JSAny? any) → JSBoolean 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis!==any
- 
  subtract(JSAny? any) → JSAny 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis-any
- 
  toMap() → Map< String, dynamic> 
- 
      Available on JSObject, provided by the JSObjectExtension extension 
- 
  toString() → String 
- 
  A string representation of this object.
  inherited
- 
  typeofEquals(String typeString) → bool 
- 
      Available on JSAny?, provided by the JSAnyUtilityExtension extension Whether the result oftypeofon thisJSAny?istypeString.
- 
  unsignedRightShift(JSAny? any) → JSNumber 
- 
      Available on JSAny?, provided by the JSAnyOperatorExtension extension The result ofthis>>>any
Operators
- 
  operator ==(Object other) → bool 
- 
  The equality operator.
  inherited
- 
  operator [](String property) → JSAny? 
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension Shorthand helper for getProperty to get the value of the property keypropertyof this JSObject, but takes a Dart value.
- 
  operator []=(String property, JSAny? value) → void 
- 
      Available on JSObject, provided by the JSObjectUnsafeUtilExtension extension Shorthand helper for setProperty to write thevalueof the property keypropertyof this JSObject, but takes a Dart value.