What is the difference between iterable and iterator in JavaScript?
An example of an AI chatbot conversation about iterable vs iterator in JavaScript.
What is the difference between iterable and iterator in JavaScript?
In JavaScript, an iterable is an object that can be iterated over, like arrays or strings. An iterator, on the other hand, is an object that provides a way to access the elements of an iterable one at a time.
Can you give me an example of an iterable and an iterator?
Sure! An array is an iterable. You can use the Symbol.iterator method to get its iterator, which allows you to traverse the array elements.
How do I create my own iterable and iterator?
To create your own iterable, you need to implement the Symbol.iterator method in your object. The method should return an iterator object with a next method.
What are some use cases for iterators in JavaScript?
Iterators are useful for custom data structures, lazy evaluation, and working with asynchronous data streams.
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