Installing Node.js and Running Your First Node.js Application
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Node.js is an open-source software that is available for free download on the Node.js download page.
Installation
- For Windows users, click on the Windows Installer
- For Mac users, click on the macOS Installer
- For Linux users, you can install it using a package manager
For example, to install Node.js LTS (v12.x) on Ubuntu, you can run the following commands:
curl -sL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
sudo apt-get install -y nodejs
Your First Hello World Program
Running a JavaScript application with Node.js is quite simple. Let's create a file called index.js with the following content:
console.log('Hello World');
Save the file and run the following command in the command line:
node index.js
Output:
Hello World
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Ôi bài viết đã từ hơn 3 năm trước
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Bài viết thật sơ sài 😅