Notification extension type
The Notification interface of the Notifications API is used to
configure and display desktop notifications to the user.
These notifications' appearance and specific functionality vary across platforms but generally they provide a way to asynchronously provide information to the user.
API documentation sourced from MDN Web Docs.
- on
- Implemented types
- Available extensions
Constructors
- Notification(String title, [NotificationOptions options])
-
factory
Properties
- asString → String
-
Available on JSAny, provided by the JSAnyExtension extension
no setter - asString → String?
-
Available on JSAny?, provided by the JSAnyNullableExtension extension
no setter - badge → String
-
The
badgeread-only property of the Notification interface returns a string containing the URL of an image to represent the notification when there is not enough space to display the notification itself such as for example, the Android Notification Bar. On Android devices, the badge should accommodate devices up to 4x resolution, about 96 by 96 px, and the image will be automatically masked.no setter - body → String
-
The
bodyread-only property of the Notification interface indicates the body string of the notification, as specified in thebodyoption of theNotification.Notificationconstructor.no setter - data → JSAny?
-
The
dataread-only property of the Notification interface returns a structured clone of the notification's data, as specified in thedataoption of theNotification.Notificationconstructor.no setter - dir → NotificationDirection
-
The
dirread-only property of the Notification interface indicates the text direction of the notification, as specified in thediroption of theNotification.Notificationconstructor.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
- icon → String
-
The
iconread-only property of the Notification interface contains the URL of an icon to be displayed as part of the notification, as specified in theiconoption of theNotification.Notificationconstructor.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 - lang → String
-
The
langread-only property of the Notification interface indicates the language used in the notification, as specified in thelangoption of theNotification.Notificationconstructor.no setter - not → JSBoolean
-
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result of!in JavaScript.thisno setter - onclick ↔ EventHandler?
-
getter/setter pair
- onclose ↔ EventHandler?
-
getter/setter pair
- onerror ↔ EventHandler?
-
getter/setter pair
- onshow ↔ EventHandler?
-
getter/setter pair
- requireInteraction → bool
-
The
requireInteractionread-only property of the Notification interface returns a boolean value indicating that a notification should remain active until the user clicks or dismisses it, rather than closing automatically.no setter - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- silent → bool?
-
The
silentread-only property of the Notification interface specifies whether the notification should be silent, i.e., no sounds or vibrations should be issued, regardless of the device settings. This is specified in thesilentoption of theNotification.Notificationconstructor.no setter - tag → String
-
The
tagread-only property of the Notification interface signifies an identifying tag for the notification, as specified in thetagoption of theNotification.Notificationconstructor.no setter - title → String
-
The
titleread-only property of the Notification interface indicates the title of the notification, as specified in thetitleparameter of theNotification.Notificationconstructor.no setter
Methods
-
add(
JSAny? any) → JSAny -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this+any -
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 ofin JavaScript.this&&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. -
close(
) → void -
The
close()method of the Notification interface is used to close/remove a previously displayed notification. -
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 ofin JavaScript.this/any -
equals(
JSAny? any) → JSBoolean -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this==any -
exponentiate(
JSAny? any) → JSAny -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this**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 ofin JavaScript.this>any -
greaterThanOrEqualTo(
JSAny? any) → JSBoolean -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this>=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 ofin JavaScript.this<any -
lessThanOrEqualTo(
JSAny? any) → JSBoolean -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this<=any -
modulo(
JSAny? any) → JSAny -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this%any -
multiply(
JSAny? any) → JSAny -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this*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 ofin JavaScript.this!=any -
or(
JSAny? any) → JSAny? -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this||any -
put(
Object key, Object? value) → void -
Available on JSObject, provided by the JSObjectExtension extension
-
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 ofin JavaScript.this===any -
strictNotEquals(
JSAny? any) → JSBoolean -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this!==any -
subtract(
JSAny? any) → JSAny -
Available on JSAny?, provided by the JSAnyOperatorExtension extension
The result ofin JavaScript.this-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 ofin JavaScript.this>>>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.
Static Properties
- permission → NotificationPermission
-
The
permissionread-only static property of the Notification interface indicates the current permission granted by the user for the current origin to display web notifications.no setter
Static Methods
-
requestPermission(
[NotificationPermissionCallback deprecatedCallback]) → JSPromise< JSString> -
The
requestPermission()static method of the Notification interface requests permission from the user for the current origin to display notifications.