Node.js 19 Updates JavaScript Engine

Node.js 19 has been launched with enhancements together with an replace of the V8 JavaScript engine to 10.7, and the enabling by default of HTTP(s)/1.1 KeepAlive.

Node.js is an open-source, cross-platform asynchronous occasion pushed JavaScript runtime constructed on Chrome’s JavaScript engine. It makes use of an event-driven, non-blocking I/O mode and executes JavaScript code exterior net browsers.

Node.js 19 will change Node.js 18 as the usual launch when Node.js 18 enters long-term help (LTS) later this month, and can stay as the present launch for the following 6 months, till April 2023.

The primary enchancment to this model is that Node.js units keepAlive to true by default. Because of this any outgoing HTTP(s) connection will routinely use HTTP 1.1 Preserve-Alive. The default keep-alive length is 5 seconds. The builders say this can ship higher throughput as connections are reused by default.

A second enchancment is the marking of the WebCrypto API as steady apart from a couple of algorithms. The API is a set of W3C standardized cryptography primitives as outlined within the Net Cryptography API specification. It offers primitives for key era, encryption and decryption, digital signatures, key and bit derivation, and cryptographic digest.

Different enhancements embody the removing of the –experimental-specifier-resolution flag, as its performance can now be achieved by way of customized loaders. The brand new launch has additionally eliminated help for DTrace, SystemTap and ETW. The builders say this was eliminated to make sure prioritization of sources, and that the complexity to maintain the help up-to-date has proved not value it with no clear plan to help these instruments.

Node.js 19 is downloadable now.

Extra Data

Node.js Foundation Homepage

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