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:

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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: