What are the commonly used modules in nodejs?

The most commonly used modules in Node.js include: File system module for file operations Network module for network communication Stream module for processing data streams Database module for interacting with the database Other practical modules , such as encryption, query string parsing and HTTP framework

Node.js Common modules

Node.js Yes A popular JavaScript runtime environment that provides developers with a rich module ecosystem. These modules provide a variety of functionality, from file system operations to network communications to database management. This article will introduce some of the most commonly used modules in Node.js.

File system module

• fs: Provides reading and writing functions for files and directories.
• path: Provides path operation and file path parsing functions.

Network module

• http: Used to create and manage HTTP servers and clients.
• https: Used to create and manage HTTPS servers and clients.
• net: Used to create and manage TCP and UDP sockets.

Stream module

• stream: Provides a basic interface for reading and writing streams.
• fs.ReadStream: A readable stream for reading data from a file.
• fs.WriteStream: A writable stream that writes data to a file.

Database module

• mongoose: Used to interact with the MongoDB database.
• sequelize: Used to interact with relational databases (such as MySQL, PostgreSQL).
• redis: Used to interact with the Redis key-value database.

Other commonly used modules

• crypto: Used to encrypt and decrypt data.
• querystring: Used to parse and format query strings.
• util: Provides utility functions such as type checking and formatting.
• express: A web framework for creating HTTP applications.
• body-parser: A middleware for parsing the body of HTTP requests.

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