Node.js v26.9.0 documentation
- Node.js v26.9.0
- Table of contents
- Events
- Passing arguments and
thisto listeners - Asynchronous vs. synchronous
- Handling events only once
- Error events
- Capture rejections of promises
- Class:
EventEmitter- Event:
'newListener' - Event:
'removeListener' emitter.addListener(eventName, listener)emitter.emit(eventName[, ...args])emitter.eventNames()emitter.getMaxListeners()emitter.listenerCount(eventName[, listener])emitter.listeners(eventName)emitter.off(eventName, listener)emitter.on(eventName, listener)emitter.once(eventName, listener)emitter.prependListener(eventName, listener)emitter.prependOnceListener(eventName, listener)emitter.removeAllListeners([eventName])emitter.removeListener(eventName, listener)emitter.setMaxListeners(n)emitter.rawListeners(eventName)emitter[Symbol.for('nodejs.rejection')](err, eventName[, ...args])
- Event:
events.defaultMaxListenersevents.errorMonitorevents.getEventListeners(emitterOrTarget, eventName)events.getMaxListeners(emitterOrTarget)events.once(emitter, name[, options])events.captureRejectionsevents.captureRejectionSymbolevents.listenerCount(emitterOrTarget, eventName)events.on(emitter, eventName[, options])events.setMaxListeners(n[, ...eventTargets])events.addAbortListener(signal, listener)- Class:
events.EventEmitterAsyncResource extends EventEmitter EventTargetandEventAPI- Node.js
EventTargetvs. DOMEventTarget NodeEventTargetvs.EventEmitter- Event listener
EventTargeterror handling- Class:
Eventevent.bubblesevent.cancelBubbleevent.cancelableevent.composedevent.composedPath()event.currentTargetevent.defaultPreventedevent.eventPhaseevent.initEvent(type[, bubbles[, cancelable]])event.isTrustedevent.preventDefault()event.returnValueevent.srcElementevent.stopImmediatePropagation()event.stopPropagation()event.targetevent.timeStampevent.type
- Class:
EventTarget - Class:
CustomEvent - Class:
NodeEventTargetnodeEventTarget.addListener(type, listener)nodeEventTarget.emit(type, arg)nodeEventTarget.eventNames()nodeEventTarget.listenerCount(type)nodeEventTarget.setMaxListeners(n)nodeEventTarget.getMaxListeners()nodeEventTarget.off(type, listener[, options])nodeEventTarget.on(type, listener)nodeEventTarget.once(type, listener)nodeEventTarget.removeAllListeners([type])nodeEventTarget.removeListener(type, listener[, options])
- Node.js
- Passing arguments and
- Events
- Index
- About this documentation
- Usage and example
- Assertion testing
- Asynchronous context tracking
- Async hooks
- Benchmark runner
- Buffer
- C++ addons
- C/C++ addons with Node-API
- C++ embedder API
- Child processes
- Cluster
- Command-line options
- Console
- Crypto
- Debugger
- Deprecated APIs
- Diagnostics Channel
- DNS
- Domain
- Environment Variables
- Errors
- Events
- File system
- FFI
- Globals
- HTTP
- HTTP/2
- HTTPS
- Inspector
- Internationalization
- Iterable Streams API
- Modules: CommonJS modules
- Modules: ECMAScript modules
- Modules:
node:moduleAPI - Modules: Packages
- Modules: TypeScript
- Net
- OS
- Path
- Performance hooks
- Permissions
- Process
- Punycode
- Query strings
- Readline
- REPL
- Report
- Single executable applications
- SQLite
- Stream
- String decoder
- Test runner
- Timers
- TLS/SSL
- Trace events
- TTY
- UDP/datagram
- URL
- Utilities
- V8
- Virtual File System
- VM
- WASI
- Web Crypto API
- Web Streams API
- Worker threads
- Zlib