Questions
13 of 16
1How do you read a file synchronously in Node.js?
2How do you read a file asynchronously in Node.js?
3Explain how to write to a file in Node.js?
4What is the purpose of the `fs.exists()` method in Node.js?
5How can you delete a file in Node.js?
6What is the purpose of the `fs.createReadStream()` and `fs.createWriteStream()` methods in Node.js?
7How can you check if a given path is a file or a directory in Node.js?
8Explain the difference between `fs.readFile()` and `fs.createReadStream()` for reading files in Node.js.
9How can you append data to an existing file in Node.js?
10How can you recursively list all files and directories in a given directory using Node.js?
11What is the purpose of the `fs.mkdir()` method in Node.js, and how can you create directories with it?
12How can you rename a file or directory in Node.js?
13Explain what the `fs.readdir()` method is used for in Node.js.
14What is the purpose of the `fs.rmdir()` method in Node.js, and how can you delete a directory with it?
15What is the difference between `fs.unlink()` and `fs.unlinkSync()` in Node.js?
16How can you watch for file changes in a directory using Node.js?
nodejsnodejs
Basics
Event Loop
Buffers
Streams
Events
Time functions
Clusters
Crypto
Modules
Worker Threads
File Operations
Threads
Performance Optimisation
Websockets
13 / 16

Explain what the `fs.readdir()` method is used for in Node.js.

The fs.readdir() method is used to read the contents of a directory. It returns an array of file and directory names present in the specified directory.

javascript