To handle text data

To handle image data

To handle binary data

To handle audio data

To handle database operations

To manage dependencies

To handle error handling

To handle HTTP requests

A way to handle error handling

A way to handle async code

A way to handle HTTP requests

A way to handle database operations

To handle error handling

To manage dependencies

To handle large amounts of data efficiently

To handle HTTP requests

To create a new module

To run a script file

To include a module in the current file

To call an API endpoint

To store data in a format that can be easily transferred over a network

To store string data

To store numerical data

To store binary data

Callbacks are asynchronous, promises are synchronous

Callbacks can only be used once, promises can be reused

Callbacks can return multiple values, promises can only return one value

Callbacks are synchronous, promises are asynchronous

A module is a collection of functions, a package is a single function

A module is a single file, a package is a collection of modules

A module is a piece of code, a package is the entire codebase

A module is a library, a package is an application

Synchronous code does not block the main thread, asynchronous code does

Synchronous code blocks the main thread, asynchronous code does not

Synchronous code is faster, asynchronous code is slower

Synchronous code is more efficient, asynchronous code is less efficient

Global modules are included using the require function, local modules are included using an import statement

Global modules are installed globally, local modules are installed in the local project

Global modules are available in all projects, local modules are only available in the current project

Global modules are installed by the npm package manager, local modules are installed manually