Modules
Standard Library
Third Party Modules
NPM
Docs
Manual
API
Deploy
Community
Discord
GitHub
Twitter
YouTube
Mastodon
Search...
⌘ K
Menu
Manual
Runtime APIs
Version
v1.31.3
v1.31.2
v1.31.1
v1.31.0
v1.30.3
v1.30.2
v1.30.1
v1.30.0
v1.29.4
v1.29.3
v1.29.2
v1.29.1
v1.29.0
v1.28.3
v1.28.2
v1.28.1
v1.28.0
v1.27.2
v1.27.1
v1.27.0
v1.26.2
v1.26.1
v1.26.0
v1.25.4
v1.25.3
v1.25.2
v1.25.1
v1.25.0
v1.24.3
v1.24.2
v1.24.1
v1.24.0
v1.23.4
v1.23.3
v1.23.2
v1.23.1
v1.23.0
v1.22.3
v1.22.2
v1.22.1
v1.22.0
v1.21.3
v1.21.2
v1.21.1
v1.21.0
v1.20.6
v1.20.5
v1.20.4
v1.20.3
v1.20.2
v1.20.1
v1.19.3
v1.19.2
v1.19.1
v1.19.0
v1.18.2
v1.18.1
v1.18.0
v1.17.3
v1.17.2
v1.17.1
v1.17.0
v1.16.4
v1.16.3
v1.16.2
v1.16.1
v1.16.0
v1.15.3
v1.15.2
v1.15.1
v1.15.0
v1.14.3
v1.14.2
v1.14.1
v1.14.0
v1.13.2
v1.13.1
v1.13.0
v1.12.2
v1.12.1
v1.12.0
v1.11.5
v1.11.4
v1.11.3
v1.11.2
v1.11.1
v1.11.0
v1.10.3
v1.10.2
v1.10.1
v1.10.0
v1.9.2
v1.9.1
v1.9.0
v1.8.3
v1.8.2
v1.8.1
v1.8.0
v1.7.5
v1.7.4
v1.7.2
v1.7.1
v1.7.0
v1.6.3
v1.6.2
v1.6.1
v1.6.0
v1.5.4
v1.5.3
v1.5.2
v1.5.1
v1.5.0
v1.4.6
v1.4.5
v1.4.4
v1.4.3
v1.4.2
v1.4.1
v1.4.0
v1.3.3
v1.3.2
v1.3.1
v1.3.0
v1.2.3
v1.2.2
v1.2.1
v1.2.0
v1.1.3
v1.1.2
v1.1.1
v1.1.0
v1.0.5
v1.0.4
v1.0.3
v1.0.2
v1.0.1
v1.0.0
Go to Latest
Show Unstable API
Broadcast Channel
I
v
BroadcastChannel
I
BroadcastChannelEventMap
Compression Streams API
c
CompressionStream
c
DecompressionStream
Console and Debugging
I
Console
I
Deno.InspectOptions
v
console
v
Deno.customInspect
f
Deno.inspect
DOM APIs
c
MessageChannel
c
MessagePort
I
DomIterable
I
DOMStringList
I
ErrorConstructor
I
MessagePortEventMap
I
StructuredSerializeOptions
T
PostMessageOptions
T
Transferable
f
structuredClone
DOM Events
c
CustomEvent
c
DOMException
c
ErrorEvent
c
Event
c
EventTarget
c
ProgressEvent
I
AddEventListenerOptions
I
CustomEventInit
I
ErrorEventInit
I
EventInit
I
EventListener
I
EventListenerObject
I
EventListenerOptions
I
ProgressEventInit
T
EventListenerOrEventListenerObject
v
onerror
v
onload
v
onunload
f
addEventListener
f
dispatchEvent
f
removeEventListener
Encoding API
I
TextDecodeOptions
I
v
TextDecoder
I
TextDecoderOptions
I
v
TextDecoderStream
I
v
TextEncoder
I
TextEncoderEncodeIntoResult
I
v
TextEncoderStream
f
atob
f
btoa
Errors
N
Deno.errors
c
Deno.errors.AddrInUse
c
Deno.errors.AddrNotAvailable
c
Deno.errors.AlreadyExists
c
Deno.errors.BadResource
c
Deno.errors.BrokenPipe
c
Deno.errors.Busy
c
Deno.errors.ConnectionAborted
c
Deno.errors.ConnectionRefused
c
Deno.errors.ConnectionReset
c
Deno.errors.Http
c
Deno.errors.Interrupted
c
Deno.errors.InvalidData
c
Deno.errors.NotConnected
c
Deno.errors.NotFound
c
Deno.errors.NotSupported
c
Deno.errors.PermissionDenied
c
Deno.errors.TimedOut
c
Deno.errors.UnexpectedEof
c
Deno.errors.WriteZero
ES Modules
I
ImportMeta
Fetch API
c
I
Headers
c
Request
c
Response
I
Body
I
v
FormData
I
RequestInit
I
ResponseInit
T
BodyInit
T
FormDataEntryValue
T
HeadersInit
T
ReferrerPolicy
T
RequestCache
T
RequestCredentials
T
RequestDestination
T
RequestInfo
T
RequestMode
T
RequestRedirect
T
ResponseType
f
fetch
File System
c
Deno.File
c
Deno.FsFile
I
Deno.DirEntry
I
Deno.FileInfo
I
Deno.FsEvent
I
Deno.FsWatcher
I
Deno.MakeTempOptions
I
Deno.MkdirOptions
I
Deno.OpenOptions
I
Deno.ReadFileOptions
I
Deno.RemoveOptions
I
Deno.WriteFileOptions
T
Deno.FsEventFlag
T
Deno.SymlinkOptions
f
Deno.chmod
f
Deno.chmodSync
f
Deno.chown
f
Deno.chownSync
f
Deno.copyFile
f
Deno.copyFileSync
f
Deno.create
f
Deno.createSync
f
Deno.fstat
f
Deno.fstatSync
f
Deno.ftruncate
f
Deno.ftruncateSync
f
Deno.link
f
Deno.linkSync
f
Deno.lstat
f
Deno.lstatSync
f
Deno.makeTempDir
f
Deno.makeTempDirSync
f
Deno.makeTempFile
f
Deno.makeTempFileSync
f
Deno.mkdir
f
Deno.mkdirSync
f
Deno.open
f
Deno.openSync
f
Deno.readDir
f
Deno.readDirSync
f
Deno.readFile
f
Deno.readFileSync
f
Deno.readLink
f
Deno.readLinkSync
f
Deno.readTextFile
f
Deno.readTextFileSync
f
Deno.realPath
f
Deno.realPathSync
f
Deno.remove
f
Deno.removeSync
f
Deno.rename
f
Deno.renameSync
f
Deno.stat
f
Deno.statSync
f
Deno.symlink
f
Deno.symlinkSync
f
Deno.truncate
f
Deno.truncateSync
f
Deno.watchFs
f
Deno.writeFile
f
Deno.writeFileSync
f
Deno.writeTextFile
f
Deno.writeTextFileSync
HTTP Server
I
Deno.HttpConn
I
Deno.RequestEvent
f
Deno.serveHttp
I/O
c
Deno.Buffer
I
Deno.Closer
I
Deno.Reader
I
Deno.ReaderSync
I
Deno.Seeker
I
Deno.SeekerSync
I
Deno.Writer
I
Deno.WriterSync
v
Deno.stderr
v
Deno.stdin
v
Deno.stdout
f
Deno.close
f
Deno.copy
f
Deno.fdatasync
f
Deno.fdatasyncSync
f
Deno.fsync
f
Deno.fsyncSync
f
Deno.isatty
f
Deno.iter
f
Deno.iterSync
f
Deno.read
f
Deno.readAll
f
Deno.readAllSync
f
Deno.readSync
f
Deno.seek
f
Deno.seekSync
f
Deno.write
f
Deno.writeAll
f
Deno.writeAllSync
f
Deno.writeSync
E
Deno.SeekMode
Network
I
Deno.CAARecord
I
Deno.Conn
I
Deno.ConnectOptions
I
Deno.ConnectTlsOptions
I
Deno.Listener
I
Deno.ListenOptions
I
Deno.ListenTlsOptions
I
Deno.MXRecord
I
Deno.NAPTRRecord
I
Deno.NetAddr
I
Deno.ResolveDnsOptions
I
Deno.SOARecord
I
Deno.SRVRecord
I
Deno.StartTlsOptions
I
Deno.TcpConn
I
Deno.TlsConn
I
Deno.TlsHandshakeInfo
I
Deno.TlsListener
I
Deno.UnixAddr
I
Deno.UnixConn
T
Deno.Addr
T
Deno.RecordType
f
Deno.connect
f
Deno.connectTls
f
Deno.listen
f
Deno.listenTls
f
Deno.resolveDns
f
Deno.shutdown
f
Deno.startTls
Observability
c
PromiseRejectionEvent
I
Deno.Metrics
I
Deno.OpMetrics
I
Deno.ResourceMap
I
PromiseRejectionEventInit
v
onunhandledrejection
f
Deno.metrics
f
Deno.resources
Performance API
c
I
Performance
c
PerformanceEntry
c
PerformanceMark
c
PerformanceMeasure
I
PerformanceMarkOptions
I
PerformanceMeasureOptions
T
PerformanceEntryList
v
performance
Permissions
c
Deno.Permissions
c
Deno.PermissionStatus
I
Deno.EnvPermissionDescriptor
I
Deno.FfiPermissionDescriptor
I
Deno.HrtimePermissionDescriptor
I
Deno.NetPermissionDescriptor
I
Deno.PermissionOptionsObject
I
Deno.PermissionStatusEventMap
I
Deno.ReadPermissionDescriptor
I
Deno.RunPermissionDescriptor
I
Deno.WritePermissionDescriptor
T
Deno.PermissionDescriptor
T
Deno.PermissionName
T
Deno.PermissionOptions
T
Deno.PermissionState
v
Deno.permissions
Runtime Environment
I
Deno.MemoryUsage
T
Deno.Signal
v
Deno.args
v
Deno.build
v
Deno.env
v
Deno.mainModule
v
Deno.noColor
v
Deno.pid
v
Deno.ppid
v
Deno.version
f
Deno.addSignalListener
f
Deno.chdir
f
Deno.cwd
f
Deno.execPath
f
Deno.exit
f
Deno.memoryUsage
f
Deno.removeSignalListener
Scheduling
I
VoidFunction
f
queueMicrotask
Streams API
c
MessageEvent
I
v
ByteLengthQueuingStrategy
I
v
CountQueuingStrategy
I
MessageEventInit
I
PipeOptions
I
QueuingStrategy
I
QueuingStrategySizeCallback
I
v
ReadableByteStreamController
I
ReadableByteStreamControllerCallback
I
v
ReadableStream
I
ReadableStreamBYOBReadDoneResult
I
ReadableStreamBYOBReader
I
ReadableStreamBYOBReadValueResult
I
ReadableStreamBYOBRequest
I
v
ReadableStreamDefaultController
I
ReadableStreamDefaultControllerCallback
I
v
ReadableStreamDefaultReader
I
ReadableStreamErrorCallback
I
ReadableStreamReadDoneResult
I
v
ReadableStreamReader
I
ReadableStreamReadValueResult
I
Transformer
I
v
TransformStream
I
v
TransformStreamDefaultController
I
TransformStreamDefaultControllerCallback
I
TransformStreamDefaultControllerTransformCallback
I
UnderlyingByteSource
I
UnderlyingSink
I
UnderlyingSource
I
v
WritableStream
I
v
WritableStreamDefaultController
I
WritableStreamDefaultControllerCloseCallback
I
WritableStreamDefaultControllerStartCallback
I
WritableStreamDefaultControllerWriteCallback
I
v
WritableStreamDefaultWriter
I
WritableStreamErrorCallback
T
ReadableStreamBYOBReadResult
T
ReadableStreamReadResult
Sub Process
c
Deno.Process
I
Deno.RunOptions
T
Deno.ProcessStatus
f
Deno.kill
f
Deno.run
Testing
I
Deno.TestContext
I
Deno.TestDefinition
I
Deno.TestStepDefinition
f
Deno.test
Timers
f
clearInterval
f
clearTimeout
f
setInterval
f
setTimeout
Typed Arrays
T
BufferSource
Web APIs
c
AbortController
c
Location
c
Navigator
c
URL
c
URLPattern
c
URLSearchParams
c
Window
I
v
AbortSignal
I
AbortSignalEventMap
I
URLPatternComponentResult
I
URLPatternInit
I
URLPatternResult
I
WindowEventMap
T
URLPatternInput
v
location
v
navigator
v
self
v
window
f
alert
f
confirm
f
prompt
f
reportError
Web Crypto API
I
AesCbcParams
I
AesCtrParams
I
AesDerivedKeyParams
I
AesGcmParams
I
AesKeyAlgorithm
I
AesKeyGenParams
I
Algorithm
I
Crypto
I
v
CryptoKey
I
v
CryptoKeyPair
I
EcdhKeyDeriveParams
I
EcdsaParams
I
EcKeyAlgorithm
I
EcKeyGenParams
I
EcKeyImportParams
I
HkdfParams
I
HmacImportParams
I
HmacKeyAlgorithm
I
HmacKeyGenParams
I
JsonWebKey
I
KeyAlgorithm
I
Pbkdf2Params
I
RsaHashedImportParams
I
RsaHashedKeyAlgorithm
I
RsaHashedKeyGenParams
I
RsaKeyAlgorithm
I
RsaKeyGenParams
I
RsaOaepParams
I
RsaOtherPrimesInfo
I
RsaPssParams
I
v
SubtleCrypto
T
AlgorithmIdentifier
T
HashAlgorithmIdentifier
T
KeyFormat
T
KeyType
T
KeyUsage
T
NamedCurve
v
crypto
Web File API
c
Blob
c
File
I
BlobPropertyBag
I
FilePropertyBag
I
v
FileReader
I
FileReaderEventMap
T
BlobPart
Web Sockets
c
CloseEvent
c
WebSocket
I
CloseEventInit
I
Deno.UpgradeWebSocketOptions
I
Deno.WebSocketUpgrade
I
WebSocketEventMap
T
BinaryType
f
Deno.upgradeWebSocket
Web Storage API
I
v
Storage
v
localStorage
v
sessionStorage
Web Workers
c
Worker
I
AbstractWorkerEventMap
I
WorkerEventMap
I
WorkerOptions
WebAssembly
N
WebAssembly
c
WebAssembly.CompileError
c
WebAssembly.Global
c
WebAssembly.Instance
c
WebAssembly.LinkError
c
WebAssembly.Memory
c
WebAssembly.Module
c
WebAssembly.RuntimeError
c
WebAssembly.Table
I
WebAssembly.GlobalDescriptor
I
WebAssembly.MemoryDescriptor
I
WebAssembly.ModuleExportDescriptor
I
WebAssembly.ModuleImportDescriptor
I
WebAssembly.TableDescriptor
I
WebAssembly.WebAssemblyInstantiatedSource
T
WebAssembly.Exports
T
WebAssembly.ExportValue
T
WebAssembly.ImportExportKind
T
WebAssembly.Imports
T
WebAssembly.ImportValue
T
WebAssembly.ModuleImports
T
WebAssembly.TableKind
T
WebAssembly.ValueType
f
WebAssembly.compile
f
WebAssembly.compileStreaming
f
WebAssembly.instantiate
f
WebAssembly.instantiateStreaming
f
WebAssembly.validate
WebGPU
c
GPU
c
GPUAdapter
c
GPUAdapterInfo
c
GPUBindGroup
c
GPUBindGroupLayout
c
GPUBuffer
c
GPUBufferUsage
c
GPUColorWrite
c
GPUCommandBuffer
c
GPUCommandEncoder
c
GPUComputePassEncoder
c
GPUComputePipeline
c
GPUDevice
c
GPUError
c
GPUMapMode
c
GPUOutOfMemoryError
c
GPUPipelineLayout
c
GPUQuerySet
c
GPUQueue
c
GPURenderBundle
c
GPURenderBundleEncoder
c
GPURenderPassEncoder
c
GPURenderPipeline
c
GPUSampler
c
GPUShaderModule
c
GPUShaderStage
c
GPUSupportedFeatures
c
GPUSupportedLimits
c
GPUTexture
c
GPUTextureUsage
c
GPUTextureView
c
GPUUncapturedErrorEvent
c
GPUValidationError
I
GPUBindGroupDescriptor
I
GPUBindGroupEntry
I
GPUBindGroupLayoutDescriptor
I
GPUBindGroupLayoutEntry
I
GPUBlendComponent
I
GPUBlendState
I
GPUBufferBinding
I
GPUBufferBindingLayout
I
GPUBufferDescriptor
I
GPUColorDict
I
GPUColorTargetState
I
GPUCommandBufferDescriptor
I
GPUCommandEncoderDescriptor
I
GPUCompilationInfo
I
GPUCompilationMessage
I
GPUComputePassDescriptor
I
GPUComputePipelineDescriptor
I
GPUDepthStencilState
I
GPUDeviceDescriptor
I
GPUDeviceLostInfo
I
GPUExtent3DDict
I
GPUFragmentState
I
GPUImageCopyBuffer
I
GPUImageCopyTexture
I
GPUImageDataLayout
I
GPUMultisampleState
I
GPUObjectBase
I
GPUObjectDescriptorBase
I
GPUOrigin3DDict
I
GPUPipelineBase
I
GPUPipelineDescriptorBase
I
GPUPipelineLayoutDescriptor
I
GPUPrimitiveState
I
GPUProgrammablePassEncoder
I
GPUProgrammableStage
I
GPUQuerySetDescriptor
I
GPURenderBundleDescriptor
I
GPURenderBundleEncoderDescriptor
I
GPURenderEncoderBase
I
GPURenderPassColorAttachment
I
GPURenderPassDepthStencilAttachment
I
GPURenderPassDescriptor
I
GPURenderPassLayout
I
GPURenderPipelineDescriptor
I
GPURequestAdapterOptions
I
GPUSamplerBindingLayout
I
GPUSamplerDescriptor
I
GPUShaderModuleDescriptor
I
GPUStencilFaceState
I
GPUStorageTextureBindingLayout
I
GPUTextureBindingLayout
I
GPUTextureDescriptor
I
GPUTextureViewDescriptor
I
GPUUncapturedErrorEventInit
I
GPUVertexAttribute
I
GPUVertexBufferLayout
I
GPUVertexState
T
GPUAddressMode
T
GPUAutoLayoutMode
T
GPUBindingResource
T
GPUBlendFactor
T
GPUBlendOperation
T
GPUBufferBindingType
T
GPUBufferUsageFlags
T
GPUColor
T
GPUColorWriteFlags
T
GPUCompareFunction
T
GPUCompilationMessageType
T
GPUCullMode
T
GPUDeviceLostReason
T
GPUErrorFilter
T
GPUExtent3D
T
GPUFeatureName
T
GPUFilterMode
T
GPUFrontFace
T
GPUIndexFormat
T
GPULoadOp
T
GPUMapModeFlags
T
GPUMipmapFilterMode
T
GPUOrigin3D
T
GPUPipelineStatisticName
T
GPUPowerPreference
T
GPUPrimitiveTopology
T
GPUQueryType
T
GPUSamplerBindingType
T
GPUShaderStageFlags
T
GPUStencilOperation
T
GPUStorageTextureAccess
T
GPUStoreOp
T
GPUTextureAspect
T
GPUTextureDimension
T
GPUTextureFormat
T
GPUTextureSampleType
T
GPUTextureUsageFlags
T
GPUTextureViewDimension
T
GPUVertexFormat
T
GPUVertexStepMode
N
Deno
class
Deno.errors.UnexpectedEof
extends
Error
Why Deno?
Develop Locally
Deploy Globally
Compare to Node.js
Benchmarks
Products
Deno CLI
Deno Deploy
Deploy Subhosting
Sources
CLI Manual
CLI Runtime API
Deploy Docs
Standard Library
Third-Party Modules
Community
Artworks
Translations
Showcase
Company
Careers
Blog
Pricing
News
Merch
Privacy Policy
Copyright © 2023 Deno Land Inc.
All rights reserved.