René's URL Explorer Experiment


Title: Asynchronous context tracking | Node.js 26.13.0 Documentation

Open Graph Title: Asynchronous context tracking | Node.js 26.13.0 Documentation

Description: Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Open Graph Description: Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

direct link

Domain: beta.docs.nodejs.org

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og:imagehttps://nodejs.org/en/next-data/og/announcement/Node.js — Run JavaScript Everywhere

Links:

https://beta.docs.nodejs.org/
Learnhttps://nodejs.org/en/learn
Abouthttps://nodejs.org/en/about
Downloadhttps://nodejs.org/en/download
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Contributehttps://github.com/nodejs/node/blob/main/CONTRIBUTING.md
https://github.com/nodejs/node
About this documentationhttps://beta.docs.nodejs.org/index.html
Usage and examplehttps://beta.docs.nodejs.org/synopsis.html
Asserthttps://beta.docs.nodejs.org/assert.html
Async hookshttps://beta.docs.nodejs.org/async_hooks.html
Asynchronous context trackinghttps://beta.docs.nodejs.org/async_context.html
AsyncLocalStoragehttps://beta.docs.nodejs.org/async_context/AsyncLocalStorage.html
RunScopehttps://beta.docs.nodejs.org/async_context/RunScope.html
AsyncResourcehttps://beta.docs.nodejs.org/async_context/AsyncResource.html
Benchmark runnerhttps://beta.docs.nodejs.org/bench.html
Bufferhttps://beta.docs.nodejs.org/buffer.html
C++ addonshttps://beta.docs.nodejs.org/addons.html
C++ embedder APIhttps://beta.docs.nodejs.org/embedding.html
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Clusterhttps://beta.docs.nodejs.org/cluster.html
Command-line APIhttps://beta.docs.nodejs.org/cli.html
Consolehttps://beta.docs.nodejs.org/console.html
Cryptohttps://beta.docs.nodejs.org/crypto.html
Debuggerhttps://beta.docs.nodejs.org/debugger.html
Deprecated APIshttps://beta.docs.nodejs.org/deprecations.html
Diagnostic reporthttps://beta.docs.nodejs.org/report.html
Diagnostics Channelhttps://beta.docs.nodejs.org/diagnostics_channel.html
DNShttps://beta.docs.nodejs.org/dns.html
Domainhttps://beta.docs.nodejs.org/domain.html
DTLShttps://beta.docs.nodejs.org/dtls.html
Environment Variableshttps://beta.docs.nodejs.org/environment_variables.html
Errorshttps://beta.docs.nodejs.org/errors.html
Eventshttps://beta.docs.nodejs.org/events.html
FFIhttps://beta.docs.nodejs.org/ffi.html
File systemhttps://beta.docs.nodejs.org/fs.html
Global objectshttps://beta.docs.nodejs.org/globals.html
HTTPhttps://beta.docs.nodejs.org/http.html
HTTP/2https://beta.docs.nodejs.org/http2.html
HTTPShttps://beta.docs.nodejs.org/https.html
Inspectorhttps://beta.docs.nodejs.org/inspector.html
Internationalization supporthttps://beta.docs.nodejs.org/intl.html
Iterable Streamshttps://beta.docs.nodejs.org/stream_iter.html
Modules: node:module APIhttps://beta.docs.nodejs.org/module.html
Modules: CommonJS moduleshttps://beta.docs.nodejs.org/modules.html
Modules: ECMAScript moduleshttps://beta.docs.nodejs.org/esm.html
Modules: Packageshttps://beta.docs.nodejs.org/packages.html
Modules: TypeScripthttps://beta.docs.nodejs.org/typescript.html
Nethttps://beta.docs.nodejs.org/net.html
Node-APIhttps://beta.docs.nodejs.org/n-api.html
OShttps://beta.docs.nodejs.org/os.html
Pathhttps://beta.docs.nodejs.org/path.html
Performance measurement APIshttps://beta.docs.nodejs.org/perf_hooks.html
Permissionshttps://beta.docs.nodejs.org/permissions.html
Processhttps://beta.docs.nodejs.org/process.html
Punycodehttps://beta.docs.nodejs.org/punycode.html
Query stringhttps://beta.docs.nodejs.org/querystring.html
Readlinehttps://beta.docs.nodejs.org/readline.html
REPLhttps://beta.docs.nodejs.org/repl.html
Single executable applicationshttps://beta.docs.nodejs.org/single-executable-applications.html
SQLitehttps://beta.docs.nodejs.org/sqlite.html
Streamhttps://beta.docs.nodejs.org/stream.html
String decoderhttps://beta.docs.nodejs.org/string_decoder.html
Test runnerhttps://beta.docs.nodejs.org/test.html
Timershttps://beta.docs.nodejs.org/timers.html
TLS (SSL)https://beta.docs.nodejs.org/tls.html
Trace eventshttps://beta.docs.nodejs.org/tracing.html
TTYhttps://beta.docs.nodejs.org/tty.html
UDP/datagram socketshttps://beta.docs.nodejs.org/dgram.html
URLhttps://beta.docs.nodejs.org/url.html
Utilhttps://beta.docs.nodejs.org/util.html
V8https://beta.docs.nodejs.org/v8.html
Virtual File Systemhttps://beta.docs.nodejs.org/vfs.html
VM (executing JavaScript)https://beta.docs.nodejs.org/vm.html
Web Crypto APIhttps://beta.docs.nodejs.org/webcrypto.html
Web Streams APIhttps://beta.docs.nodejs.org/webstreams.html
WebAssembly System Interface (WASI)https://beta.docs.nodejs.org/wasi.html
Worker threadshttps://beta.docs.nodejs.org/worker_threads.html
Zlibhttps://beta.docs.nodejs.org/zlib.html
Introductionhttps://beta.docs.nodejs.org/async_context.html#introduction
AsyncLocalStoragehttps://beta.docs.nodejs.org/async_context.html#class-asynclocalstorage
new AsyncLocalStoragehttps://beta.docs.nodejs.org/async_context.html#new-asynclocalstorageoptions
AsyncLocalStorage.bindhttps://beta.docs.nodejs.org/async_context.html#static-method-asynclocalstoragebindfn
AsyncLocalStorage.snapshothttps://beta.docs.nodejs.org/async_context.html#static-method-asynclocalstoragesnapshot
asyncLocalStorage.disablehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragedisable
asyncLocalStorage.getStorehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragegetstore
asyncLocalStorage.enterWithhttps://beta.docs.nodejs.org/async_context.html#asynclocalstorageenterwithstore
asyncLocalStorage.namehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragename
asyncLocalStorage.runhttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragerunstore-callback-args
asyncLocalStorage.exithttps://beta.docs.nodejs.org/async_context.html#asynclocalstorageexitcallback-args
asyncLocalStorage.withScopehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragewithscopestore
Usage with async/awaithttps://beta.docs.nodejs.org/async_context.html#usage-with-asyncawait
Context losshttps://beta.docs.nodejs.org/async_context.html#troubleshooting-context-loss
RunScopehttps://beta.docs.nodejs.org/async_context.html#class-runscope
scope.disposehttps://beta.docs.nodejs.org/async_context.html#scopedispose
AsyncResourcehttps://beta.docs.nodejs.org/async_context.html#class-asyncresource
new AsyncResourcehttps://beta.docs.nodejs.org/async_context.html#new-asyncresourcetype-options
AsyncResource.bindhttps://beta.docs.nodejs.org/async_context.html#static-method-asyncresourcebindfn-type-thisarg
asyncResource.bindhttps://beta.docs.nodejs.org/async_context.html#asyncresourcebindfn-thisarg
asyncResource.runInAsyncScopehttps://beta.docs.nodejs.org/async_context.html#asyncresourceruninasyncscopefn-thisarg-args
asyncResource.emitDestroyhttps://beta.docs.nodejs.org/async_context.html#asyncresourceemitdestroy
asyncResource.asyncIdhttps://beta.docs.nodejs.org/async_context.html#asyncresourceasyncid
asyncResource.triggerAsyncIdhttps://beta.docs.nodejs.org/async_context.html#asyncresourcetriggerasyncid
Using AsyncResource for a Worker thread poolhttps://beta.docs.nodejs.org/async_context.html#using-asyncresource-for-a-worker-thread-pool
Integrating AsyncResource with EventEmitterhttps://beta.docs.nodejs.org/async_context.html#integrating-asyncresource-with-eventemitter
Asynchronous context trackinghttps://beta.docs.nodejs.org/async_context.html#asynchronous-context-tracking
lib/async_hooks.jshttps://github.com/nodejs/node/blob/main/lib/async_hooks.js
Introductionhttps://beta.docs.nodejs.org/async_context.html#introduction
AsyncLocalStoragehttps://beta.docs.nodejs.org/async_context.html#class-asynclocalstorage
AsyncLocalStorage is now Stable. Previously, it had been Experimental.v16.4.0https://github.com/nodejs/node/pull/37675
AsyncLocalStorage Constructorhttps://beta.docs.nodejs.org/async_context.html#new-asynclocalstorageoptions
Add defaultValue and name options.v24.0.0https://github.com/nodejs/node/pull/57766
Removed experimental onPropagate option.v19.7.0, v18.16.0https://github.com/nodejs/node/pull/46386
Add option onPropagate.v19.2.0, v18.13.0https://github.com/nodejs/node/pull/45386
Objecthttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
AsyncLocalStorage.bindhttps://beta.docs.nodejs.org/async_context.html#static-method-asynclocalstoragebindfn
Marking the API stable.v23.11.0, v22.15.0https://github.com/nodejs/node/pull/57510
Functionhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function
Functionhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function
AsyncLocalStorage.snapshothttps://beta.docs.nodejs.org/async_context.html#static-method-asynclocalstoragesnapshot
Marking the API stable.v23.11.0, v22.15.0https://github.com/nodejs/node/pull/57510
Functionhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function
asyncLocalStorage.disablehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragedisable
asyncLocalStorage.getStorehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragegetstore
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
asyncLocalStorage.enterWithhttps://beta.docs.nodejs.org/async_context.html#asynclocalstorageenterwithstore
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
asyncLocalStorage.namehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragename
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
asyncLocalStorage.runhttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragerunstore-callback-args
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
Functionhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
asyncLocalStorage.exithttps://beta.docs.nodejs.org/async_context.html#asynclocalstorageexitcallback-args
Functionhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
asyncLocalStorage.withScopehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragewithscopestore
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
RunScopehttps://beta.docs.nodejs.org/async_context.html#class-runscope
Usage with async/awaithttps://beta.docs.nodejs.org/async_context.html#usage-with-asyncawait
Troubleshooting: Context losshttps://beta.docs.nodejs.org/async_context.html#troubleshooting-context-loss
util.promisify()https://beta.docs.nodejs.org/util.html#utilpromisifyoriginal
AsyncResourcehttps://beta.docs.nodejs.org/async_context.html#class-asyncresource
RunScopehttps://beta.docs.nodejs.org/async_context.html#class-runscope
asyncLocalStorage.withScope()https://beta.docs.nodejs.org/async_context.html#asynclocalstoragewithscopestore
Explicit Resource Managementhttps://github.com/tc39/proposal-explicit-resource-management
scope.disposehttps://beta.docs.nodejs.org/async_context.html#scopedispose
AsyncResourcehttps://beta.docs.nodejs.org/async_context.html#class-asyncresource
AsyncResource is now Stable. Previously, it had been Experimental.v16.4.0https://github.com/nodejs/node/pull/37675
AsyncResource Constructorhttps://beta.docs.nodejs.org/async_context.html#new-asyncresourcetype-options
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
Objecthttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
booleanhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type
AsyncResource.bindhttps://beta.docs.nodejs.org/async_context.html#static-method-asyncresourcebindfn-type-thisarg
The asyncResource property added to the bound function has been deprecated and will be removed in a future version.v20.0.0https://github.com/nodejs/node/pull/46432
Changed the default when thisArg is undefined to use this from the caller.v17.8.0, v16.15.0https://github.com/nodejs/node/pull/42177
Added optional thisArg.v16.0.0https://github.com/nodejs/node/pull/36782
Functionhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
asyncResource.bindhttps://beta.docs.nodejs.org/async_context.html#asyncresourcebindfn-thisarg
The asyncResource property added to the bound function has been deprecated and will be removed in a future version.v20.0.0https://github.com/nodejs/node/pull/46432
Changed the default when thisArg is undefined to use this from the caller.v17.8.0, v16.15.0https://github.com/nodejs/node/pull/42177
Added optional thisArg.v16.0.0https://github.com/nodejs/node/pull/36782
Functionhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
asyncResource.runInAsyncScopehttps://beta.docs.nodejs.org/async_context.html#asyncresourceruninasyncscopefn-thisarg-args
Functionhttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
anyhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Data_types
asyncResource.emitDestroyhttps://beta.docs.nodejs.org/async_context.html#asyncresourceemitdestroy
AsyncResourcehttps://beta.docs.nodejs.org/async_hooks.html#class-asyncresource
asyncResource.asyncIdhttps://beta.docs.nodejs.org/async_context.html#asyncresourceasyncid
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
asyncResource.triggerAsyncIdhttps://beta.docs.nodejs.org/async_context.html#asyncresourcetriggerasyncid
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
Using AsyncResource for a Worker thread poolhttps://beta.docs.nodejs.org/async_context.html#using-asyncresource-for-a-worker-thread-pool
Workerhttps://beta.docs.nodejs.org/worker_threads.html#class-worker
Integrating AsyncResource with EventEmitterhttps://beta.docs.nodejs.org/async_context.html#integrating-asyncresource-with-eventemitter
EventEmitterhttps://beta.docs.nodejs.org/events.html#class-eventemitter
Streamhttps://beta.docs.nodejs.org/stream.html#stream
NextAsyncLocalStoragehttps://beta.docs.nodejs.org/async_context/AsyncLocalStorage.html
JSONhttps://beta.docs.nodejs.org/async_context.json
MDhttps://beta.docs.nodejs.org/async_context.md
Edit this pagehttps://github.com/nodejs/node/edit/HEAD/doc/api/async_context.md
Introductionhttps://beta.docs.nodejs.org/async_context.html#introduction
AsyncLocalStoragehttps://beta.docs.nodejs.org/async_context.html#class-asynclocalstorage
new AsyncLocalStoragehttps://beta.docs.nodejs.org/async_context.html#new-asynclocalstorageoptions
AsyncLocalStorage.bindhttps://beta.docs.nodejs.org/async_context.html#static-method-asynclocalstoragebindfn
AsyncLocalStorage.snapshothttps://beta.docs.nodejs.org/async_context.html#static-method-asynclocalstoragesnapshot
asyncLocalStorage.disableEhttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragedisable
asyncLocalStorage.getStorehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragegetstore
asyncLocalStorage.enterWithEhttps://beta.docs.nodejs.org/async_context.html#asynclocalstorageenterwithstore
asyncLocalStorage.namehttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragename
asyncLocalStorage.runhttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragerunstore-callback-args
asyncLocalStorage.exitEhttps://beta.docs.nodejs.org/async_context.html#asynclocalstorageexitcallback-args
asyncLocalStorage.withScopeEhttps://beta.docs.nodejs.org/async_context.html#asynclocalstoragewithscopestore
Usage with async/awaithttps://beta.docs.nodejs.org/async_context.html#usage-with-asyncawait
Context losshttps://beta.docs.nodejs.org/async_context.html#troubleshooting-context-loss
RunScopeEhttps://beta.docs.nodejs.org/async_context.html#class-runscope
scope.disposehttps://beta.docs.nodejs.org/async_context.html#scopedispose
AsyncResourcehttps://beta.docs.nodejs.org/async_context.html#class-asyncresource
new AsyncResourcehttps://beta.docs.nodejs.org/async_context.html#new-asyncresourcetype-options
AsyncResource.bindhttps://beta.docs.nodejs.org/async_context.html#static-method-asyncresourcebindfn-type-thisarg
asyncResource.bindhttps://beta.docs.nodejs.org/async_context.html#asyncresourcebindfn-thisarg
asyncResource.runInAsyncScopehttps://beta.docs.nodejs.org/async_context.html#asyncresourceruninasyncscopefn-thisarg-args
asyncResource.emitDestroyhttps://beta.docs.nodejs.org/async_context.html#asyncresourceemitdestroy
asyncResource.asyncIdhttps://beta.docs.nodejs.org/async_context.html#asyncresourceasyncid
asyncResource.triggerAsyncIdhttps://beta.docs.nodejs.org/async_context.html#asyncresourcetriggerasyncid
Using AsyncResource for a Worker thread poolhttps://beta.docs.nodejs.org/async_context.html#using-asyncresource-for-a-worker-thread-pool
Integrating AsyncResource with EventEmitterhttps://beta.docs.nodejs.org/async_context.html#integrating-asyncresource-with-eventemitter

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