Command format to install nodejs

Node.js is an open source, cross-platform JavaScript runtime environment for building high-performance, scalable web applications. Installing Node.js is important for both front-end and back-end developers. This article will introduce how to install Node.js under common operating systems using the command format.

1. Windows system

To install Node.js under Windows system, you need to perform the following steps:

Step 1: Download Node.js

Visit the Node.js official website (https://nodejs.org/zh-cn/) and click the "Download" button on the page. Select the Node.js version suitable for your system to download:

Step 2: Run the installation program

Double-click the downloaded Node.js installation program and follow the instructions to install. By default, Node.js will be installed in the C:Program Files
odejs directory.

Step 3: Check whether the installation is successful

In the Windows command prompt window or PowerShell, enter the following command:

node -v

If Node.js is successfully installed and the version number will be output.

2. macOS system

To install Node.js under macOS system, you need to perform the following steps:

Step 1: Use Homebrew to install Node.js

In macOS systems, using Homebrew is the easiest way to install Node.js. Execute the following command in the terminal to install Homebrew:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

Then use Homebrew to install Node.js:

brew install node

Step 2: Check whether the installation is successful

In the terminal, enter the following command:

node -v

If Node.js is installed successfully, the version number will be output.

3. Linux system

Under Linux system, installing Node.js requires different operations according to different distribution versions. The following takes the Ubuntu system as an example:

Step 1: Update the operating system

Execute the following command in the terminal:

sudo apt-get update
sudo apt- get upgrade

Step 2: Install Node.js

Execute the following command in the terminal to install Node.js:

sudo apt-get install nodejs

Step 3: Check whether the installation is successful

In the terminal, enter the following command:

node -v

If Node.js is installed successfully, the version will be output Number.

Summary:

The above are the steps to install Node.js using command format under Windows, macOS and Linux systems. No matter which operating system you develop on, you can use these simple steps to install Node.js. During the development process, if you encounter problems or need more help, you can check the official Node.js documentation or seek help in the community.

The above is the detailed content of Command format to install nodejs. For more information, please follow other related articles on the PHP Chinese website!