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Node.js 12 LTS Erbium: Features, Improvements, and Download Links

How to Download Node 12 and Why You Should

Node.js is a popular and powerful JavaScript runtime environment that allows you to run JavaScript code on the server side. It is used by millions of developers and companies around the world for building fast, scalable, and reliable web applications.

Node.js has a regular release cycle that provides new features, improvements, and bug fixes every six months. The latest version of Node.js is Node 12, which was released in October 2019 and became a Long Term Support (LTS) release in October 2020. This means that Node 12 will receive security updates and critical fixes until April 2022.

download node 12

In this article, we will show you how to download Node 12 and why you should. We will also cover some of the benefits and features of Node 12, as well as how to verify and test your installation.

What is Node 12 and What are its Benefits

Node 12 is the current LTS version of Node.js, which means that it is stable, secure, and recommended for most users. Node 12 offers several benefits over previous versions, such as faster startup, better memory management, improved performance, and more features. Let's take a look at some of these benefits in more detail.

Node 12 Features

Node 12 introduces many new features that make it easier and more enjoyable to write JavaScript code. Some of these features are:

  • ES6 modules support: Node 12 supports ES6 modules natively, without the need for experimental flags or third-party tools. ES6 modules are a standardized way of organizing and importing JavaScript code that makes it more modular, reusable, and maintainable.

  • Diagnostic report: Node 12 provides an experimental diagnostic report feature that generates a JSON file with useful information about the state of the Node.js process, such as CPU usage, memory usage, environment variables, command line arguments, etc. This can help diagnose issues and troubleshoot errors in production environments.

  • Bundled heap dump capability: Node 12 provides an out-of-the-box heap dump capability that allows you to generate a snapshot of the memory usage of the Node.js process. This can help identify memory leaks and optimize memory consumption.

  • V8 engine update: Node 12 uses the V8 engine version 7.4, which brings performance improvements, bug fixes, and new JavaScript features, such as async generators, async iteration, object rest/spread properties, etc.

  • Worker threads: Node 12 improves the support for worker threads, which are a way of creating multiple threads of execution in Node.js. Worker threads can help improve performance and concurrency by offloading CPU-intensive tasks from the main thread.

  • N-API: Node 12 enhances the support for N-API, which is an API for building native addons for Node.js. N-API provides a stable and consistent interface that is independent of the underlying JavaScript engine and Node.js version. This means that native addons built with N-API can run across different versions of Node.js without recompilation or modification.

Node 12 Performance

Node 12 also delivers significant performance improvements over previous versions, thanks to the updates to the V8 engine, the HTTP parser (llhttp), and the TLS implementation (OpenSSL). Some of these improvements are:

  • Faster startup: Node 12 reduces the startup time by up to 30% by generating code cache in advance for built-in libraries and embedding it into the binary.

  • Better memory management: Node 12 improves the default heap limits by automatically configuring them based on the available memory. This can help prevent out-of-memory errors and optimize memory usage for different workloads.

  • Improved HTTP performance: Node 12 adopts the new llhttp parser, which is faster and more secure than the previous http_parser. This can improve the throughput and latency of HTTP requests and responses.

  • Enhanced TLS performance: Node 12 updates the OpenSSL library to version 1.1.1, which supports TLS 1.3, the latest version of the Transport Layer Security protocol. TLS 1.3 offers faster and more secure connections, as well as new features such as 0-RTT (zero round-trip time) and post-handshake authentication.

Node 12 Compatibility

Node 12 is compatible with most of the existing Node.js modules and packages, thanks to the efforts of the Node.js community and the Node.js Package Maintenance Working Group. However, some modules may require updating or rebuilding to work with Node 12, especially those that use native addons or deprecated APIs. You can use tools such as npm audit, npm outdated, or node-gyp to check and update your dependencies.

How to Download Node 12 for Different Platforms

There are several ways to download and install Node 12 on your system, depending on your platform and preference. Here are some of the most common methods:

Download Node 12 for Windows

If you are using Windows, you can download the Node 12 installer from the official Node.js website: . You can choose between the 32-bit or 64-bit version, depending on your system architecture. Then, run the installer and follow the instructions to complete the installation.

You can also use tools such as nvm-windows or Chocolatey to manage multiple versions of Node.js on your Windows machine.

How to download node 12 on Windows 10

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Download node 12 using Electron or NW.js to create desktop applications

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Download Node 12 for macOS

If you are using macOS, you can download the Node 12 installer from the official Node.js website: . You can choose between the macOS Installer or the macOS Binary, depending on your preference. Then, run the installer or extract the binary and follow the instructions to complete the installation.

You can also use tools such as nvm or Homebrew to manage multiple versions of Node.js on your macOS machine.

Download Node 12 for Linux

If you are using Linux, you can download the Node 12 binary from the official Node.js website: . You can choose between the Linux Binaries or the Source Code, depending on your preference. Then, extract the binary or compile the source code and follow the instructions to complete the installation.

You can also use tools such as nvm or n to manage multiple versions of Node.js on your Linux machine.

How to Verify and Test Node 12 Installation

After you have downloaded and installed Node 12 on your system, you can verify and test your installation by using some simple commands. Here are some examples:

  • Verify Node version: To check if you have successfully installed Node 12 and what version you are using, you can use the command node -v in your terminal or command prompt. You should see something like this: v12.22.7.

Verify npm version: To check if you have successfully installed npm (the Node Package Manager) and what version you are using, you can use the command npm -v</cod


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