Node 12 – What Are The New Improvements And Features?
Node improved support for ECMAScript modules.
Node 12 New Features
It include faster startup and better default heap limits, updates to V8, llhttp, TLS, new features including diagnostic report, bundled heap dump capability and updates to Worker Threads, N-API and ES6 module support and more let’s check what’s new in Node js 12.
The new feature are-
- V8 Engine Updated to V8 7.4- It has updates for faster JavaScript execution, better memory management, and broadened ECMAScript syntax support.
Major Features of V8 version 7.4-
JIT-less V8
WebAssembly Threads/Atomics shipped
Faster calls with arguments mismatch
Check out More of the v8.7.4 New Features Below:
- Improved native accessor performance
- Parser performance
- Bytecode flushing in memory
- Bytecode dead basic block elimination
- JavaScript language features include Private class fields
- Hashbang grammar
- V8 API
ES6 Module Support
It import/export syntax for developers in ES6, and the Node team.
Private Class Fields
Node V 12 accessed externally receive a syntax error and private class field
Improved Startup Performance
Node.js 12 updated ES6 modules which gives 30% speedup
New compiler and platform minimums
Node 12 takes full benefit of compiler. The codebase required GCC 6 and glibc 2.17.
TLS 1.3 and Security
It added TLS 1.3 support and reduce the time required for the HTTPS handshake.
Heap Dump
Node.js 12 brings advanced heap dump.
Native Modules N-API Improvements
Node VMs – allowing N-API different versions.
Diagnostic Reports
Node.js 12 includes an experimental feature named after Diagnostic report
Conclusion
v 12 Node.js Development process include Python 3 support, improving startup performance.
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