What is the purpose of the `fs.mkdir()` method in Node.js, and how can you create directories with it?

Q: What is the purpose of the `fs.mkdir()` method in Node.js, and how can you create directories with it?

const fs = require('fs'); fs.mkdir('my_directory', (err) => { if (err) { console.error(err); return; } console.log('Directory created successfully.'); });

Difficulty: 5/10

directory creation, fs module, error handling

The `fs.mkdir()` method is used to create directories in Node.js. It takes the directory path as an argument and an optional callback function to handle errors. Here's an example:

javascript

Scenario Questions

0-2 years experience

1You need to create a folder called 'logs' in the current working directory using Node's fs module. Show me the code with fs.mkdir and explain any options you would set.
2If you call fs.mkdir('data', callback) and the 'data' directory already exists, what will happen? How would you change the call to avoid an error?
3Demonstrate how to use the promise‑based version of fs.mkdir to create a directory and handle any errors.

Follow-up Questions

What does the recursive flag actually do under the hood?
How would you surface permission errors to the user in a production service?
Are there any platform‑specific differences in fs.mkdir behavior you need to consider?

What is the purpose of the `fs.mkdir()` method in Node.js, and how can you create directories with it?

The fs.mkdir() method is used to create directories in Node.js. It takes the directory path as an argument and an optional callback function to handle errors. Here's an example:

Scenario Questions

Follow-up Questions

What is the purpose of the `fs.mkdir()` method in Node.js, and how can you create directories with it?

The fs.mkdir() method is used to create directories in Node.js. It takes the directory path as an argument and an optional callback function to handle errors. Here's an example:

Scenario Questions

Follow-up Questions

The `fs.mkdir()` method is used to create directories in Node.js. It takes the directory path as an argument and an optional callback function to handle errors. Here's an example:

The `fs.mkdir()` method is used to create directories in Node.js. It takes the directory path as an argument and an optional callback function to handle errors. Here's an example: