Overview / Web Technology
Web technology reference for developers
HTML
Structure of content on the web
CSS
Code used to describe document style
JavaScript
General-purpose scripting language
HTTP
Protocol for transmitting web resources
Web APIs
Interfaces for building web applications
Web Extensions
Developing extensions for web browsers
Accessibility
Build web projects usable for all
Web Technology
Web technology reference for developers
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In this articleWebSocket
CloseEvent
MessageEvent
WebSocketStream
ExperimentalBaseline Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The WebSocket.url
read-only property returns the absolute URL of the WebSocket
as resolved by the constructor.
A string.
Specifications Specification WebSockets.
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