websockets.spec.whatwg.org

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• content: Bikeshed version 0ef803fdf, updated Tue Jan 6 11:59:39 2026 -0800 name: generator
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• Snapshot as of this commit
• http://websockets.spec.whatwg.org/#network-intro
• http://websockets.spec.whatwg.org/#websocket-protocol
• http://websockets.spec.whatwg.org/#websocket-connections
• http://websockets.spec.whatwg.org/#websocket-opening-handshake
• http://websockets.spec.whatwg.org/#the-websocket-interface
• http://websockets.spec.whatwg.org/#interface-definition
• http://websockets.spec.whatwg.org/#feedback-from-the-protocol
• http://websockets.spec.whatwg.org/#ping-and-pong-frames
• http://websockets.spec.whatwg.org/#the-closeevent-interface
• http://websockets.spec.whatwg.org/#garbage-collection
• http://websockets.spec.whatwg.org/#acks
• http://websockets.spec.whatwg.org/#ipr
• http://websockets.spec.whatwg.org/#index
• http://websockets.spec.whatwg.org/#index-defined-here
• http://websockets.spec.whatwg.org/#index-defined-elsewhere
• http://websockets.spec.whatwg.org/#references
• http://websockets.spec.whatwg.org/#normative
• http://websockets.spec.whatwg.org/#idl-index
• http://websockets.spec.whatwg.org/#websocket
• [WSP]
• [FETCH]
• obtain a WebSocket connection
• [HSTS]
• http://websockets.spec.whatwg.org/#example-random-value
• http://websockets.spec.whatwg.org/#example-permessage-deflate
• http://websockets.spec.whatwg.org/#dom-binarytype-blob
• http://websockets.spec.whatwg.org/#dom-binarytype-arraybuffer
• http://websockets.spec.whatwg.org/#dom-websocket-websocket
• http://websockets.spec.whatwg.org/#dom-websocket-url
• http://websockets.spec.whatwg.org/#dom-websocket-connecting
• http://websockets.spec.whatwg.org/#dom-websocket-open
• http://websockets.spec.whatwg.org/#dom-websocket-closing
• http://websockets.spec.whatwg.org/#dom-websocket-closed
• http://websockets.spec.whatwg.org/#dom-websocket-readystate
• http://websockets.spec.whatwg.org/#dom-websocket-bufferedamount
• http://websockets.spec.whatwg.org/#dom-websocket-onopen
• http://websockets.spec.whatwg.org/#dom-websocket-onerror
• http://websockets.spec.whatwg.org/#dom-websocket-onclose
• http://websockets.spec.whatwg.org/#dom-websocket-extensions
• http://websockets.spec.whatwg.org/#dom-websocket-protocol
• http://websockets.spec.whatwg.org/#dom-websocket-close
• http://websockets.spec.whatwg.org/#dom-websocket-onmessage
• http://websockets.spec.whatwg.org/#enumdef-binarytype
• http://websockets.spec.whatwg.org/#dom-websocket-binarytype
• http://websockets.spec.whatwg.org/#dom-websocket-send
• internal-url
• establish a WebSocket connection
• close
• as described below
• ready state
• http://websockets.spec.whatwg.org/#buffered-amount-example
• binary type
• flagged as full
• [UNICODE]
• [ENCODING]
• [FILEAPI]
• open
• message
• error
• http://websockets.spec.whatwg.org/#message-example
• http://websockets.spec.whatwg.org/#closeevent
• http://websockets.spec.whatwg.org/#dom-closeevent-wasclean
• http://websockets.spec.whatwg.org/#dom-closeevent-code
• http://websockets.spec.whatwg.org/#dom-closeevent-reason
• http://websockets.spec.whatwg.org/#dictdef-closeeventinit
• [email protected]
• Living Standard Review Draft
• http://websockets.spec.whatwg.org/#dom-closeevent-closeevent
• http://websockets.spec.whatwg.org/#dom-closeeventinit-code
• make disappear
• http://websockets.spec.whatwg.org/#dom-closeeventinit-reason
• http://websockets.spec.whatwg.org/#dom-closeeventinit-wasclean
• WebSocket task source
• http://websockets.spec.whatwg.org/#dom-websocket-websocket-url-protocols-url
• http://websockets.spec.whatwg.org/#dom-websocket-websocket-url-protocols-protocols
• http://websockets.spec.whatwg.org/#dom-websocket-close-code-reason-code
• http://websockets.spec.whatwg.org/#dom-websocket-close-code-reason-reason
• http://websockets.spec.whatwg.org/#dom-websocket-send-data-data
• http://websockets.spec.whatwg.org/#dom-closeevent-closeevent-type-eventinitdict-type
• http://websockets.spec.whatwg.org/#dom-closeevent-closeevent-type-eventinitdict-eventinitdict

• https://whatwg.org/
• GitHub whatwg/websockets
• new issue
• open issues
• Chat on Matrix
• GitHub whatwg/websockets/commits
• @whatsockets
• web-platform-tests websockets/
• ongoing work
• 日本語
• 简体中文
• 한국어
• host
• port
• path
• query
• scheme
• section 4.1
• connection
• Fetch
• request
• URL
• client
• service-workers mode
• referrer
• mode
• credentials mode
• cache mode
• redirect mode
• Append
• header list
• forgiving-base64-encoded
• isomorphic encoded
• combine
• header value
• https://fetch.spec.whatwg.org/#fetch-useparallelqueue
• https://fetch.spec.whatwg.org/#process-response
• network error
• status
• Fail the WebSocket connection
• extracting header list values
• established
• https://webidl.spec.whatwg.org/#Exposed
• https://dom.spec.whatwg.org/#eventtarget
• https://webidl.spec.whatwg.org/#idl-USVString
• https://webidl.spec.whatwg.org/#idl-DOMString
• https://webidl.spec.whatwg.org/#idl-sequence
• https://webidl.spec.whatwg.org/#idl-unsigned-short
• https://webidl.spec.whatwg.org/#idl-unsigned-long-long
• https://html.spec.whatwg.org/multipage/webappapis.html#eventhandler
• https://webidl.spec.whatwg.org/#idl-undefined
• https://webidl.spec.whatwg.org/#Clamp
• https://webidl.spec.whatwg.org/#BufferSource
• https://w3c.github.io/FileAPI/#dfn-Blob
• url
• SyntaxError
• DOMException
• fragment
• https://datatracker.ietf.org/doc/html/rfc6455#section-11.3.4
• ArrayBuffer
• ArrayBufferView
• the WebSocket connection close code
• the WebSocket connection close reason
• this
• relevant settings object
• API base URL
• URL parser
• ws
• wss
• in parallel
• close the WebSocket connection
• the WebSocket connection was closed
• serialization
• InvalidAccessError
• encoding
• started
• Start the WebSocket closing handshake
• event loop
• step 1
• the given value
• InvalidStateError
• send a WebSocket Message
• Event handler
• Event handler event type
• event handler IDL attributes
• queued
• subprotocol in use
• Fire an event
• a WebSocket message has been received
• relevant Realm
• MessageEvent
• origin
• origin
• data
• task queues
• tasks
• cleanly
• UTF-8 decode without BOM
• task source
• https://dom.spec.whatwg.org/#event
• https://webidl.spec.whatwg.org/#idl-boolean
• https://dom.spec.whatwg.org/#dictdef-eventinit
• Document
• https://html.spec.whatwg.org/multipage/
• https://fetch.spec.whatwg.org/
• Google
• Creative Commons Attribution 4.0 International License
• BSD 3-Clause License
• https://dom.spec.whatwg.org/
• https://encoding.spec.whatwg.org/
• https://w3c.github.io/FileAPI/
• https://www.rfc-editor.org/rfc/rfc6797
• https://infra.spec.whatwg.org/
• https://www.unicode.org/versions/latest/
• https://url.spec.whatwg.org/
• https://webidl.spec.whatwg.org/
• https://www.rfc-editor.org/rfc/rfc6455
• CloseEvent/CloseEvent
• CloseEvent/code
• CloseEvent/reason
• CloseEvent/wasClean
• CloseEvent
• WebSocket/WebSocket
• WebSocket/binaryType
• WebSocket/bufferedAmount
• WebSocket/close
• WebSocket/close_event
• WebSocket/error_event
• WebSocket/extensions
• WebSocket/message_event
• WebSocket/open_event
• WebSocket/protocol
• WebSocket/readyState
• WebSocket/send
• WebSocket/url
• WebSocket

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