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Web APIs


When writing code for the Web, there are a large number of Web APIs available. Below is a list of all the APIs and interfaces (object types) that you may be able to use while developing your Web app or site.

Web APIs are typically used with JavaScript, although this doesn't always have to be the case.



In this article

Specifications

Interfaces



Specifications

This is a list of all the APIs that are available.


A

Attribution Reporting API

Audio Output Devices API

Audio Session API

B

Background Fetch API

Background Synchronization API

Background Tasks API

Badging API

Barcode Detection API

Battery Status API

Beacon API

Broadcast Channel API

C

CSS Custom Highlight API

CSS Font Loading API

CSS Painting API

CSS Properties and Values API

CSS Typed Object Model API

CSS Object Model (CSSOM)

CSSOM view API

Canvas API

Channel Messaging API

Clipboard API

Compression Streams API

Compute Pressure API

Console API

Contact Picker API

Content Index API

Cookie Store API

Credential Management API

D

Document Object Model (DOM)

Device Memory API

Device orientation events

Device Posture API

Document Picture-in-Picture API

E

EditContext API

Encoding API

Encrypted Media Extensions API

EyeDropper API

F

Federated Credential Management (FedCM) API

Fenced Frame API

Fetch API

File API

File System API

File and Directory Entries API

Force Touch events

Fullscreen API

G

Gamepad API

Geolocation API

Geometry interfaces

H

HTML DOM API

HTML Drag and Drop API

HTML Sanitizer API

History API

Houdini APIs

I

Idle Detection API

IndexedDB API

Ink API

InputDeviceCapabilities API

Insertable Streams for MediaStreamTrack API

Intersection Observer API

Invoker Commands API

J

JS Self-Profiling API

K

Keyboard API

L

Launch Handler API

Local Font Access API

M

MediaStream Image Capture API

Media Capabilities API

Media Capture and Streams API (Media Stream)

Media Session API

Media Source API

MediaStream Recording API

N

Navigation API

Network Information API

Notifications API

P

Page Visibility API

Payment Request API

Performance APIs

Permissions API

Picture-in-Picture API

Pointer events

Pointer Lock API

Popover API

Presentation API

Prioritized Task Scheduling API

Private State Token API

Push API

R

Remote Playback API

Reporting API

Resize Observer API

S

SVG API

Screen Capture API

Screen Orientation API

Screen Wake Lock API

Selection API

Sensor APIs

Server-sent events

Service Worker API

Shared Storage API

Speculation Rules API

Storage API

Storage Access API

Streams API

Summarizer API

T

Topics API

Touch events

Translator and Language Detector APIs

Trusted Types API

U

UI Events

URL API

URL Fragment Text Directives

URL Pattern API

User Preferences API

User-Agent Client Hints API

V

Vibration API

View Transition API

Viewport Segments API

VirtualKeyboard API

W

Web Bluetooth API

Web Periodic Background Synchronization API

Web Animations API

Web Audio API

Web Authentication API

Web Components

Web Crypto API

Web Locks API

Web MIDI API

Web NFC API

Web Serial API

Web Share API

Web Speech API

Web Storage API

Web Workers API

Web-based Payment Handler API

WebCodecs API

WebGL: 2D and 3D graphics for the web

WebGPU API

WebHID API

WebOTP API

WebRTC API

WebSocket API (WebSockets)

WebTransport API

WebUSB API

WebVR API

WebVTT API

WebXR Device API

Window Controls Overlay API

Window Management API

X

XMLHttpRequest API




Interfaces

This is a list of all the interfaces (that is, types of objects) that are available.


A

AbortController

AbortSignal

AbsoluteOrientationSensor

AbstractRange

Accelerometer

AesCbcParams

AesCtrParams

AesDerivedKeyParams

AesGcmParams

AesKeyGenParams

AmbientLightSensor

AnalyserNode

ANGLE_instanced_arrays

Animation

AnimationEffect

AnimationEvent

AnimationPlaybackEvent

AnimationTimeline

Attr

AudioBuffer

AudioBufferSourceNode

AudioContext

AudioData

AudioDecoder

AudioDestinationNode

AudioEncoder

AudioListener

AudioNode

AudioParam

AudioParamDescriptor

AudioParamMap

AudioPlaybackStats

AudioProcessingEvent

AudioScheduledSourceNode

AudioSession

AudioSinkInfo

AudioTrack

AudioTrackList

AudioWorklet

AudioWorkletGlobalScope

AudioWorkletNode

AudioWorkletProcessor

AuthenticatorAssertionResponse

AuthenticatorAttestationResponse

AuthenticatorResponse

B

BackgroundFetchEvent

BackgroundFetchManager

BackgroundFetchRecord

BackgroundFetchRegistration

BackgroundFetchUpdateUIEvent

BarcodeDetector

BarProp

BaseAudioContext

BatteryManager

BeforeInstallPromptEvent

BeforeUnloadEvent

BiquadFilterNode

Blob

BlobEvent

Bluetooth

BluetoothCharacteristicProperties

BluetoothDevice

BluetoothRemoteGATTCharacteristic

BluetoothRemoteGATTDescriptor

BluetoothRemoteGATTServer

BluetoothRemoteGATTService

BluetoothUUID

BroadcastChannel

BrowserCaptureMediaStreamTrack

BufferedChangeEvent

ByteLengthQueuingStrategy

C

Cache

CacheStorage

CanMakePaymentEvent

CanvasCaptureMediaStreamTrack

CanvasGradient

CanvasPattern

CanvasRenderingContext2D

CaptureController

CaretPosition

CDATASection

ChannelMergerNode

ChannelSplitterNode

ChapterInformation

CharacterBoundsUpdateEvent

CharacterData

Client

Clients

Clipboard

ClipboardChangeEvent

ClipboardEvent

ClipboardItem

CloseEvent

CloseWatcher

COEPViolationReport

CommandEvent

Comment

CompositionEvent

CompressionStream

c

console

C

ConstantSourceNode

ContactAddress

ContactsManager

ContentIndex

ContentIndexEvent

ContentVisibilityAutoStateChangeEvent

ConvolverNode

CookieChangeEvent

CookieStore

CookieStoreManager

CountQueuingStrategy

CrashReport

CrashReportContext

CreateMonitor

Credential

CredentialsContainer

CropTarget

Crypto

CryptoKey

CryptoKeyPair

CSPViolationReport

CSS

CSSAnimation

CSSConditionRule

CSSContainerRule

CSSCounterStyleRule

CSSFontFaceDescriptors

CSSFontFaceRule

CSSFontFeatureValuesMap

CSSFontFeatureValuesRule

CSSFontPaletteValuesRule

CSSFunctionDeclarations

CSSFunctionDescriptors

CSSFunctionRule

CSSGroupingRule

CSSImageValue

CSSImportRule

CSSKeyframeRule

CSSKeyframesRule

CSSKeywordValue

CSSLayerBlockRule

CSSLayerStatementRule

CSSMathClamp

CSSMathInvert

CSSMathMax

CSSMathMin

CSSMathNegate

CSSMathProduct

CSSMathSum

CSSMathValue

CSSMatrixComponent

CSSMediaRule

CSSNamespaceRule

CSSNestedDeclarations

CSSNumericArray

CSSNumericValue

CSSPageDescriptors

CSSPageRule

CSSPerspective

CSSPositionTryDescriptors

CSSPositionTryRule

CSSPositionValue

CSSPrimitiveValue

CSSPropertyRule

CSSPseudoElement

CSSRotate

CSSRule

CSSRuleList

CSSScale

CSSScopeRule

CSSSkew

CSSSkewX

CSSSkewY

CSSStartingStyleRule

CSSStyleDeclaration

CSSStyleProperties

CSSStyleRule

CSSStyleSheet

CSSStyleValue

CSSSupportsRule

CSSTransformComponent

CSSTransformValue

CSSTransition

CSSTranslate

CSSUnitValue

CSSUnparsedValue

CSSValue

CSSValueList

CSSVariableReferenceValue

CSSViewTransitionRule

CustomElementRegistry

CustomEvent

CustomStateSet

D

DataCue

DataTransfer

DataTransferItem

DataTransferItemList

DecompressionStream

DedicatedWorkerGlobalScope

DeferredRequestInit

DelayNode

DelegatedInkTrailPresenter

DeprecationReport

DeviceMotionEvent

DeviceMotionEventAcceleration

DeviceMotionEventRotationRate

DeviceOrientationEvent

DevicePosture

DirectoryEntrySync

DirectoryReaderSync

Document

DocumentFragment

DocumentPictureInPicture

DocumentPictureInPictureEvent

DocumentTimeline

DocumentType

DOMError

DOMException

DOMHighResTimeStamp

DOMImplementation

DOMMatrix

DOMMatrixReadOnly

DOMParser

DOMPoint

DOMPointReadOnly

DOMQuad

DOMRect

DOMRectList

DOMRectReadOnly

DOMStringList

DOMStringMap

DOMTokenList

DragEvent

DynamicsCompressorNode

E

EcdhKeyDeriveParams

EcdsaParams

EcKeyGenParams

EcKeyImportParams

EditContext

Element

ElementInternals

EncodedAudioChunk

EncodedVideoChunk

ErrorEvent

Event

EventCounts

EventSource

EventTarget

ExtendableCookieChangeEvent

ExtendableEvent

ExtendableMessageEvent

EyeDropper

F

FeaturePolicy

FederatedCredential

FederatedCredentialInit

Fence

FencedFrameConfig

FetchEvent

FetchLaterResult

File

FileEntrySync

FileList

FileReader

FileReaderSync

FileSystem

FileSystemChangeRecord

FileSystemDirectoryEntry

FileSystemDirectoryHandle

FileSystemDirectoryReader

FileSystemEntry

FileSystemFileEntry

FileSystemFileHandle

FileSystemHandle

FileSystemObserver

FileSystemSync

FileSystemSyncAccessHandle

FileSystemWritableFileStream

FocusEvent

FontData

FontFace

FontFaceSet

FontFaceSetLoadEvent

FormData

FormDataEvent

FragmentDirective

G

GainNode

Gamepad

GamepadButton

GamepadEvent

GamepadHapticActuator

GamepadPose

Geolocation

GeolocationCoordinates

GeolocationPosition

GeolocationPositionError

GestureEvent

GPU

GPUAdapter

GPUAdapterInfo

GPUBindGroup

GPUBindGroupLayout

GPUBuffer

GPUCanvasContext

GPUCommandBuffer

GPUCommandEncoder

GPUCompilationInfo

GPUCompilationMessage

GPUComputePassEncoder

GPUComputePipeline

GPUDevice

GPUDeviceLostInfo

GPUError

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