What are iterators in Node.js?

What are iterators in Node.js?

Iterators are objects that allow you to traverse through a collection, like arrays or strings, one element at a time.

Can you give me an example of how to use an iterator?

Sure! You can use the for...of loop to iterate over an array. For example: for (const item of array) { console.log(item); }.

What is the difference between an iterator and a generator?

An iterator is an object with a next() method, while a generator is a function that can yield multiple values over time, creating an iterator.

How do I create a custom iterator in Node.js?

You can create a custom iterator by defining an object with a next() method that returns an object with value and done properties.