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Dart SDK

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dart:html

Overview

Classes

AbortPaymentEvent

AbsoluteOrientationSensor

AbstractWorker

Accelerometer

AccessibleNode

AccessibleNodeList

AmbientLightSensor

AnchorElement

Animation

AnimationEffectReadOnly

AnimationEffectTiming

AnimationEffectTimingReadOnly

AnimationEvent

AnimationPlaybackEvent

AnimationTimeline

AnimationWorkletGlobalScope

ApplicationCache

ApplicationCacheErrorEvent

AreaElement

AudioElement

AuthenticatorAssertionResponse

AuthenticatorAttestationResponse

AuthenticatorResponse

BackgroundFetchClickEvent

BackgroundFetchedEvent

BackgroundFetchEvent

BackgroundFetchFailEvent

BackgroundFetchFetch

BackgroundFetchManager

BackgroundFetchRegistration

BackgroundFetchSettledFetch

BarcodeDetector

BarProp

BaseElement

BatteryManager

BeforeInstallPromptEvent

BeforeUnloadEvent

Blob

BlobEvent

BluetoothRemoteGattDescriptor

Body

BodyElement

BRElement

BroadcastChannel

BudgetState

ButtonElement

ButtonInputElement

CacheStorage

CanMakePaymentEvent

CanvasCaptureMediaStreamTrack

CanvasElement

CanvasGradient

CanvasImageSource

CanvasPattern

CanvasRenderingContext

CanvasRenderingContext2D

CDataSection

CharacterData

CheckboxInputElement

ChildNode

Client

Clients

ClipboardEvent

CloseEvent

Comment

CompositionEvent

Console

ContentElement

CookieStore

Coordinates

Credential

CredentialsContainer

CredentialUserData

Crypto

CryptoKey

Css

CssCharsetRule

CssClassSet

CssConditionRule

CssFontFaceRule

CssGroupingRule

CssImageValue

CssImportRule

CssKeyframeRule

CssKeyframesRule

CssKeywordValue

CssMatrixComponent

CssMediaRule

CssNamespaceRule

CssNumericValue

CssPageRule

CssPerspective

CssPositionValue

CssRect

CssResourceValue

CssRotation

CssRule

CssScale

CssSkew

CssStyleDeclaration

CssStyleDeclarationBase

CssStyleRule

CssStyleSheet

CssStyleValue

CssSupportsRule

CssTransformComponent

CssTransformValue

CssTranslation

CssUnitValue

CssUnparsedValue

CssurlImageValue

CssVariableReferenceValue

CssViewportRule

CustomElementRegistry

CustomEvent

CustomStream

DataElement

DataListElement

DataTransfer

DataTransferItem

DataTransferItemList

DateInputElement

DedicatedWorkerGlobalScope

DeprecatedStorageInfo

DeprecatedStorageQuota

DeprecationReport

DetailsElement

DetectedBarcode

DetectedFace

DetectedText

DeviceAcceleration

DeviceMotionEvent

DeviceOrientationEvent

DeviceRotationRate

DialogElement

Dimension

DirectoryEntry

DirectoryReader

DivElement

DListElement

Document

DocumentFragment

DocumentOrShadowRoot

DocumentTimeline

DomError

DomException

DomImplementation

DomIterator

DomMatrix

DomMatrixReadOnly

DomParser

DomPoint

DomPointReadOnly

DomQuad

DomRectList

DomRectReadOnly

DomStringList

DomStringMap

DomTokenList

Element

ElementEvents

ElementList

ElementStream

ElementUpgrader

EmailInputElement

EmbedElement

Entry

ErrorEvent

Event

Events

EventSource

EventStreamProvider

EventTarget

ExtendableEvent

ExtendableMessageEvent

External

FaceDetector

FederatedCredential

FetchEvent

FieldSetElement

File

FileEntry

FileList

FileReader

FileSystem

FileUploadInputElement

FileWriter

FixedSizeListIterator

FocusEvent

FontFace

FontFaceSet

FontFaceSetLoadEvent

FontFaceSource

ForeignFetchEvent

FormData

FormElement

Gamepad

GamepadButton

GamepadEvent

GamepadPose

Geolocation

Geoposition

GlobalEventHandlers

Gyroscope

HashChangeEvent

HeadElement

Headers

HeadingElement

HiddenInputElement

History

HistoryBase

HRElement

HtmlCollection

HtmlDocument

HtmlElement

HtmlFormControlsCollection

HtmlHtmlElement

HtmlHyperlinkElementUtils

HtmlOptionsCollection

HttpRequest

HttpRequestEventTarget

HttpRequestUpload

HttpStatus

IdleDeadline

IFrameElement

ImageBitmap

ImageBitmapRenderingContext

ImageButtonInputElement

ImageCapture

ImageData

ImageElement

ImmutableListMixin

InputDeviceCapabilities

InputElement

InputElementBase

InstallEvent

IntersectionObserver

IntersectionObserverEntry

InterventionReport

KeyboardEvent

KeyboardEventStream

KeyCode

KeyEvent

KeyframeEffect

KeyframeEffectReadOnly

KeyLocation

LabelElement

LegendElement

LIElement

LinearAccelerationSensor

LinkElement

LocalDateTimeInputElement

Location

LocationBase

Magnetometer

MapElement

MathMLElement

MediaCapabilities

MediaCapabilitiesInfo

MediaDeviceInfo

MediaDevices

MediaElement

MediaEncryptedEvent

MediaError

MediaKeyMessageEvent

MediaKeys

MediaKeySession

MediaKeysPolicy

MediaKeyStatusMap

MediaKeySystemAccess

MediaList

MediaMetadata

MediaQueryList

MediaQueryListEvent

MediaRecorder

MediaSession

MediaSettingsRange

MediaSource

MediaStream

MediaStreamEvent

MediaStreamTrack

MediaStreamTrackEvent

MemoryInfo

MenuElement

MessageChannel

MessageEvent

MessagePort

Metadata

MetaElement

MeterElement

MidiAccess

MidiConnectionEvent

MidiInput

MidiInputMap

MidiMessageEvent

MidiOutput

MidiOutputMap

MidiPort

MimeType

MimeTypeArray

ModElement

MonthInputElement

MouseEvent

MutationEvent

MutationObserver

MutationRecord

NavigationPreloadManager

Navigator

NavigatorAutomationInformation

NavigatorConcurrentHardware

NavigatorCookies

NavigatorID

NavigatorLanguage

NavigatorOnLine

NavigatorUserMediaError

NetworkInformation

Node

NodeFilter

NodeIterator

NodeList

NodeTreeSanitizer

NodeValidator

NodeValidatorBuilder

NoncedElement

NonDocumentTypeChildNode

NonElementParentNode

Notification

NotificationEvent

NumberInputElement

ObjectElement

OffscreenCanvas

OffscreenCanvasRenderingContext2D

OListElement

OptGroupElement

OptionElement

OrientationSensor

OutputElement

OverconstrainedError

PageTransitionEvent

PaintRenderingContext2D

PaintSize

PaintWorkletGlobalScope

ParagraphElement

ParamElement

ParentNode

PasswordCredential

PasswordInputElement

Path2D

PaymentAddress

PaymentInstruments

PaymentManager

PaymentRequest

PaymentRequestEvent

PaymentRequestUpdateEvent

PaymentResponse

Performance

PerformanceEntry

PerformanceLongTaskTiming

PerformanceMark

PerformanceMeasure

PerformanceNavigation

PerformanceNavigationTiming

PerformanceObserver

PerformanceObserverEntryList

PerformancePaintTiming

PerformanceResourceTiming

PerformanceServerTiming

PerformanceTiming

Permissions

PermissionStatus

PhotoCapabilities

PictureElement

Platform

Plugin

PluginArray

PointerEvent

PopStateEvent

PositionError

PreElement

Presentation

PresentationAvailability

PresentationConnection

PresentationConnectionAvailableEvent

PresentationConnectionCloseEvent

PresentationConnectionList

PresentationReceiver

PresentationRequest

ProcessingInstruction

ProgressElement

ProgressEvent

PromiseRejectionEvent

PublicKeyCredential

PushEvent

PushManager

PushMessageData

PushSubscription

PushSubscriptionOptions

QuoteElement

RadioButtonInputElement

Range

RangeInputElement

RangeInputElementBase

ReadyState

RelatedApplication

RelativeOrientationSensor

RemotePlayback

ReportBody

ReportingObserver

ResetButtonInputElement

ResizeObserver

ResizeObserverEntry

RtcCertificate

RtcDataChannel

RtcDataChannelEvent

RtcDtmfSender

RtcDtmfToneChangeEvent

RtcIceCandidate

RtcLegacyStatsReport

RtcPeerConnection

RtcPeerConnectionIceEvent

RtcRtpContributingSource

RtcRtpReceiver

RtcRtpSender

RtcSessionDescription

RtcStatsReport

RtcStatsResponse

RtcTrackEvent

Screen

ScreenOrientation

ScriptElement

ScrollAlignment

ScrollState

ScrollTimeline

SearchInputElement

SecurityPolicyViolationEvent

SelectElement

Selection

Sensor

SensorErrorEvent

ServiceWorker

ServiceWorkerContainer

ServiceWorkerGlobalScope

ServiceWorkerRegistration

ShadowElement

ShadowRoot

SharedArrayBuffer

SharedWorker

SharedWorkerGlobalScope

SlotElement

SourceBuffer

SourceBufferList

SourceElement

SpanElement

SpeechGrammar

SpeechGrammarList

SpeechRecognition

SpeechRecognitionAlternative

SpeechRecognitionError

SpeechRecognitionEvent

SpeechRecognitionResult

SpeechSynthesis

SpeechSynthesisEvent

SpeechSynthesisUtterance

SpeechSynthesisVoice

StaticRange

Storage

StorageEvent

StorageManager

StyleElement

StyleMedia

StylePropertyMap

StylePropertyMapReadonly

StyleSheet

SubmitButtonInputElement

SyncEvent

SyncManager

TableCaptionElement

TableCellElement

TableColElement

TableElement

TableRowElement

TableSectionElement

TaskAttributionTiming

TelephoneInputElement

TemplateElement

Text

TextAreaElement

TextDetector

TextEvent

TextInputElement

TextInputElementBase

TextMetrics

TextTrack

TextTrackCue

TextTrackCueList

TextTrackList

TimeElement

TimeInputElement

TimeRanges

TitleElement

Touch

TouchEvent

TouchList

TrackDefault

TrackDefaultList

TrackElement

TrackEvent

TransitionEvent

TreeWalker

TrustedHtml

TrustedScriptUrl

TrustedUrl

UIEvent

UListElement

UnderlyingSourceBase

UnknownElement

UriPolicy

Url

UrlInputElement

UrlSearchParams

UrlUtilsReadOnly

ValidityState

VideoElement

VideoPlaybackQuality

VideoTrack

VideoTrackList

VisualViewport

VR

VRCoordinateSystem

VRDevice

VRDeviceEvent

VRDisplay

VRDisplayCapabilities

VRDisplayEvent

VREyeParameters

VRFrameData

VRFrameOfReference

VRPose

VRSession

VRSessionEvent

VRStageBounds

VRStageBoundsPoint

VRStageParameters

VttCue

VttRegion

WebSocket

WeekInputElement

WheelEvent

Window

WindowBase

WindowBase64

WindowClient

WindowEventHandlers

Worker

WorkerGlobalScope

WorkerPerformance

WorkletAnimation

WorkletGlobalScope

XmlDocument

XmlSerializer

XPathEvaluator

XPathExpression

XPathNSResolver

XPathResult

XsltProcessor

Exceptions

NullWindowException

Functions

promiseToFutureAsMap

querySelector

querySelectorAll

Properties

document

window

Typedefs

BlobCallback

CustomElementConstructor

DecodeErrorCallback

DecodeSuccessCallback

EventListener

FontFaceSetForEachCallback

FrameRequestCallback

FunctionStringCallback

IdleRequestCallback

IntersectionObserverCallback

MediaSessionActionHandler

MessageCallback

MetadataCallback

MojoWatchCallback

MutationCallback

PerformanceObserverCallback

RemotePlaybackAvailabilityCallback

ReportingObserverCallback

RequestAnimationFrameCallback

ResizeObserverCallback

RtcPeerConnectionErrorCallback

RtcStatsCallback

ScrollStateCallback

StorageErrorCallback

StorageQuotaCallback

StorageUsageCallback

TimeoutHandler

VoidCallback

On this page

dart:html›Typedefs›MetadataCallback typedef

MetadataCallback

typedef MetadataCallback = void Function(Metadata metadata)

MetadataCallback ​

MetadataCallback