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Node.js 19 boosts HTTP throughput

Node.js 19 has arrived. The most current update to the common JavaScript runtime enables HTTP Continue to keep-Alive by default, a change that should deliver better web throughput.

Available from nodejs.org, Node.js 19 was produced October 18. Beginning with this launch, Node.js sets keepAlive to real by default. Consequently any outgoing HTTP(S) link mechanically will use HTTP 1.1 Preserve-Alive, offering superior throughput as connections are reused by default. There is a default ready window of 5 seconds. Moreover, Node’s HTTP Agent is able to parse the response Preserve-Alive that servers may ship. This header instructs the customer on how extended to continue to be related. The Node HTTP server now will automatically disconnect idle shoppers when shut() is invoked.

Node.js 19 will supplant Node.js 18 as the project’s “Current” release line when Node.js 18 enters Extended-Term Assistance position afterwards in October. Node.js 19 will be the Latest release right until April 2023.

Also in Node.js 19:

  • The WebCrypto API is now stable, other than for the Ed25519, Ed448, X25519, and X448 algorithms. This API delivers an implementation of the conventional Website Crypto JavaScript API for doing standard cryptographic operations in world-wide-web apps.
  • An experimental node --watch choice, accessible given that Node.js 18.11, restarts the procedure when an imported file is transformed.
  • The V8 motor, which underpins Node.js, has been up-to-date to version 10.7.
  • Guidance for DTrace/SystemTap/ETW has been taken off, with prioritization of assets provided as the reason.
  • The --experimental-specifier-resolution flag has been removed. This performance now can be applied by using customized loaders.

Copyright © 2022 IDG Communications, Inc.

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