Node.js is used for a variety of purposes, including building web applications, command-line tools, and desktop applications. Here are some key features and use cases of Node.js:
- Asynchronous I/O: One of the key features of Node.js is its ability to handle asynchronous I/O operations, such as reading and writing files or making network requests. This can make Node.js a great choice for building high-performance, scalable web applications.
- Command-Line Tools: Node.js can be used to build command-line tools and scripts, allowing developers to automate tasks and build tools that can be run from the command line. This can be useful for tasks such as building and deploying applications or running tests.
- Internet of Things (IoT): Node.js can be used for building applications for the Internet of Things (IoT), which involves connecting devices to the internet and exchanging data. Node.js can be used to build IoT applications that handle device communication and data processing.
Overall, Node.js is a versatile and powerful technology that is used for a wide variety of purposes, from building web applications to building command-line tools and desktop applications. Its ability to handle asynchronous I/O operations makes it a great choice for building high-performance, scalable applications, and its large and active community provides a wealth of resources and support for developers.