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Node.js free download for Mac

Node.js

Version 18.2.0

Scalable event-driven JavaScript runtime.

Node.js overview

As an asynchronous event-driven JavaScript runtime, Node.js is designed to build scalable network applications

Node.js is similar in design to, and influenced by, systems like Ruby's Event Machine and Python's Twisted. Node.js takes the event model a bit further. It presents an event loop as a runtime construct instead of as a library. In other systems, there is always a blocking call to start the event-loop. Typically, behavior is defined through callbacks at the beginning of a script, and at the end a server is started through a blocking call like EventMachine::run(). In Node.js, there is no such start-the-event-loop call. Node.js simply enters the event loop after executing the input script. Node.js exits the event loop when there are no more callbacks to perform. This behavior is like browser JavaScript - the event loop is hidden from the user

HTTP is a first-class citizen in Node.js, designed with streaming and low latency in mind. This makes Node.js well suited for the foundation of a web library or framework

Node.js being designed without threads doesn't mean you can't take advantage of multiple cores in your environment. Child processes can be spawned by using our child_process.fork() API, and are designed to be easy to communicate with. Built upon that same interface is the cluster module, which allows you to share sockets between processes to enable load balancing over your cores

What’s new in version 18.2.0

Updated on May 18 2022

OpenSSL 3.0.3:
  • This update can be treated as a security release as the issues addressed in OpenSSL 3.0.3 slightly affect Node.js 18. See https://nodejs.org/en/blog/vulnerability/openssl-fixes-in-regular-releases-may2022/ for more information on how the May 2022 OpenSSL releases affect other Node.js release lines.
  • [8e54c19a6e] - deps: update archs files for quictls/openssl-3.0.3+quic (RafaelGSS) #43022
  • [6365bf808e] - deps: upgrade openssl sources to quictls/openssl-3.0.3 (RafaelGSS) #43022
Other Notable Changes:
  • [13c333e533] - Revert "deps: add template for generated headers" (Daniel Bevenius) #42978
  • [d128356a7f] - deps: update undici to 5.2.0 (Node.js GitHub Bot) #43059
  • [2df1624f80] - deps: upgrade npm to 8.9.0 (npm team) #42968
  • [6365bf808e] - deps: upgrade openssl sources to quictls/openssl-3.0.3 (RafaelGSS) #43022
  • [4a3f678e70] - doc: add LiviaMedeiros to collaborators (LiviaMedeiros) #43039
  • [686c4c1f6f] - doc: add release key for Juan Arboleda (Juan José) #42961
  • [784d84cf34] - (SEMVER-MINOR) fs: add read(buffer[, options]) versions (LiviaMedeiros) #42768
  • [2f192c4be0] - (SEMVER-MINOR) http: added connection closing methods (Paolo Insogna) #42812
  • [c92e291beb] - (SEMVER-MINOR) perf_hooks: add PerformanceResourceTiming (RafaelGSS) #42725
Commits:
  • [7cac7bb806] - assert: fix CallTracker wraps the function causes the length to be lost (OneNail) #42909
  • [e74a8da287] - assert: make assert.fail less affected by prototype tampering (Antoine du Hamel) #42918
  • [1146806673] - bootstrap: stop delaying instantiation of maps in per-context scripts (Darshan Sen) #42934
  • [a20310d171] - bootstrap: use a context snapshotted with primordials in workers (Joyee Cheung) #42867
  • [9ee7d9eb15] - bootstrap: fix wasm_web_api external reference registration (Joyee Cheung) #42903
  • [cec678a00e] - build: set ASAN workaround (Richard Lau) #43085
  • [7c4df42caa] - build: disable windows-2022 temporarily (Jiawen Geng) #43093
  • [0eb32ed976] - build: fix various shared library build issues (William Marlow) #41850
  • [48f4a714b2] - build: fix indeterminacy of icu_locales value (Sergey Nazaryev) #42865
  • [19c060fd84] - crypto: adjust minimum length in generateKey('hmac', ...) (LiviaMedeiros) #42944
  • [183bcc0699] - crypto: clean up parameter validation in HKDF (Tobias Nießen) #42924
  • [946f57c7bc] - debugger: fix inconsistent inspector output of exec new Map() (Kohei Ueno) #42423
  • [d128356a7f] - deps: update undici to 5.2.0 (Node.js GitHub Bot) #43059
  • [a9703a55ef] - deps: remove opensslconf template headers (Daniel Bevenius) #43035
  • [a4a4f7134b] - deps: fix llhttp version number (Michael Dawson) #43029
  • [8e54c19a6e] - deps: update archs files for quictls/openssl-3.0.3+quic (RafaelGSS) #43022
  • [6365bf808e] - deps: upgrade openssl sources to quictls/openssl-3.0.3 (RafaelGSS) #43022
  • [e8121ae7fe] - deps: regenerate OpenSSL archs files (Daniel Bevenius) #42978
  • [13c333e533] - Revert "deps: add template for generated headers" (Daniel Bevenius) #42978
  • [2df1624f80] - deps: upgrade npm to 8.9.0 (npm team) #42968
  • [f53ed9d1bb] - doc: use serial comma in fs docs (Tobias Nießen) #43104
  • [839824aca8] - doc: use serial comma in events docs (Tobias Nießen) #43113
  • [9629c74080] - doc: use serial comma in modules docs (Tobias Nießen) #43103
  • [76096c2d4a] - doc: use serial comma in util docs (Tobias Nießen) #43063
  • [1e9de0dd5a] - doc: remove git:// protocol, adjust nits in onboarding.md (LiviaMedeiros) #43045
  • [eb630d7ef9] - doc: add maintaining info for shared libary option (Michael Dawson) #42517
  • [3816a97bae] - doc: add detail for how to update llhttp (Michael Dawson) #43028
  • [330e267a57] - doc: use serial comma in buffer docs (Tobias Nießen) #43048
  • [0957212390] - doc: use consistent method symbol (Paolo Insogna) #42974
  • [22cb7104cb] - doc: add Rafael to the security steward for NearForm (Matteo Collina) #42966
  • [ef177da3f1] - doc: mark some node-api functions as experimental (NickNaso) #42987
  • [4a3f678e70] - doc: add LiviaMedeiros to collaborators (LiviaMedeiros) #43039
  • [c988a0ed26] - doc: use serial comma in http docs (Tobias Nießen) #43026
  • [4de918b4c1] - doc: add the preferred name for @himself65 (Himself65) #43024
  • [686c4c1f6f] - doc: add release key for Juan Arboleda (Juan José) #42961
  • [64e0aa116d] - doc: rename N-API to Node-API in test/README.md (Daeyeon Jeong) #42946
  • [65d64553c0] - doc: use serial comma in tls docs (Tobias Nießen) #43001
  • [840e61e745] - doc: improve commit message example for releases (Juan José) #42954
  • [ba3ad7c665] - doc: use serial comma in cluster docs (Tobias Nießen) #42989
  • [3ab3086008] - doc: fix errors in Web Streams doc (OneNail) #42862
  • [1fbfee2497] - doc: fix examples in cluster.md (OneNail) #42889
  • [1237c742f4] - doc: add additional step to security release process (Michael Dawson) #42916
  • [88692d8fd6] - doc: add section regarding property definition in primordials.md (Antoine du Hamel) #42921
  • [924670f3af] - doc: clarify some default values in fs.md (LiviaMedeiros) #42892
  • [becca06f9b] - fs: remove unnecessary ?? operator (Morgan Roderick) #43073
  • [784d84cf34] - (SEMVER-MINOR) fs: add read(buffer[, options]) versions (LiviaMedeiros) #42768
  • [2f192c4be0] - (SEMVER-MINOR) http: added connection closing methods (Paolo Insogna) #42812
  • [bfbf965eb0] - http2: compat support for array headers (OneNail) #42901
  • [46a44b3011] - lib: move WebAssembly Web API into separate file (Tobias Nießen) #42993
  • [c64b8d3282] - lib,test: enable wasm/webapi/empty-body WPT (Tobias Nießen) #42960
  • [ddd271ec2b] - meta: add mailmap entry for ShogunPanda (Paolo Insogna) #43094
  • [174ff972f0] - meta: update .mailmap for recent README name change (Rich Trott) #43027
  • [16df8ad7c3] - meta: update AUTHORS (Node.js GitHub Bot) #43004
  • [0ec32d0715] - meta: move one or more collaborators to emeritus (Node.js GitHub Bot) #42937
  • [037ff3da6d] - node-api: explicitly set __cdecl for API functions (Vladimir Morozov) #42780
  • [e2462a2f98] - node-api: fix napi_get_all_property_names (Vladimir Morozov) #42463
  • [c92e291beb] - (SEMVER-MINOR) perf_hooks: add PerformanceResourceTiming (RafaelGSS) #42725
  • [c535db1195] - src: delete AllocatedBuffer (Darshan Sen) #43008
  • [5dc79298e1] - src: remove unnecessary comment (Kohei Ueno) #42952
  • [38e4c15534] - src: always signal V8 for intercepted properties (Michaël Zasso) #42963
  • [cacff07e75] - src: fix memory leak for v8.serialize (liuxingbaoyu) #42695
  • [8cfc18e4db] - src,crypto: remove uses of AllocatedBuffer from crypto_rsa.cc (Darshan Sen) #42852
  • [0670843b24] - test: fix dangerous .map in test/parallel/test-http-set-trailers.js (LiviaMedeiros) #43087
  • [9eb8bf1d26] - test: reduce flakiness of test-fs-read-position-validation.mjs (LiviaMedeiros) #42999
  • [41d2f6e8c5] - test: rename handlewrap.hasref tests (Daeyeon Jeong) #42754
  • [e058f47277] - test: improve observable ICU behaviour coverage (LiviaMedeiros) #42683
  • [d23debb4cb] - test: validate webstream encoder/decoder inspector (Yoshiki Kurihara) #42747
  • [b1c18edaa9] - test: usemustSucceed instead of mustCall with assert.ifError (MURAKAMI Masahiko) #42806
  • [2dc795687a] - test: improve lib/internal/webstreams/readablestream.js coverage (MURAKAMI Masahiko) #42823
  • [d746207dc2] - test: fix test-crypto-fips.js under shared OpenSSL (Vita Batrla) #42947
  • [56c47b5101] - test: use consistent timeouts (Paolo Insogna) #42893
  • [68ed3c88d9] - test: add test for position validation in fs.read() and fs.readSync() (LiviaMedeiros) #42837
  • [72b90fd5f5] - test: reduce impact of flaky HTTP server tests (Tobias Nießen) #42926
  • [531a0a9980] - tools: update lint-md-dependencies to rollup@2.73.0 (Node.js GitHub Bot) #43107
  • [64daaca46d] - tools: update eslint to 8.15.0 (Node.js GitHub Bot) #43005
  • [79872382ef] - tools: refactor lint-sh.js to esm module (Feng Yu) #42942
  • [265ecdfe07] - tools: update lint-md-dependencies (Node.js GitHub Bot) #43003
  • [e9e1f1e194] - typings: fix os.cpus invalid return type (Himself65) #43006
  • [55ef6e81cb] - wasm: add missing init reported by coverity (Michael Dawson) #42897
  • [5470578008] - worker: fix stream racing with terminate (Keyhan Vakil) #42874

Full list of changes available here

Information

License

Free

Size

69.2 MB

Developer’s website

https://nodejs.org/en/

Downloads

764

App requirements

  • Intel 64
  • OS X 10.9.0 or later
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