A JavaScript iterable is an object that has a Symbol.iterator. The Symbol.iterator is a function that returns a next() function. An iterable can be iterated over with the code: for (const x of iterable) { }

Apr 3, 2025 · The iterable protocol allows JavaScript objects to define or customize their iteration behavior, such as what values are looped over in a for...of construct. Some built-in types are …

Mar 7, 2025 · In JavaScript an iterator is an object which defines a sequence and potentially a return value upon its termination. Specifically, an iterator is any object which implements the …

May 10, 2024 · When we use JavaScript for practical tasks in a browser or any other environment, we may meet objects that are iterables or array-likes, or both. For instance, strings are both …

In this tutorial, you will learn about JavaScript iterators and iterables with the help of examples.

Jun 7, 2023 · JavaScript has built-in support for iterators and iterables, and also allows developers to create their own custom implementations. Understanding these concepts is …

Aug 1, 2022 · In this post, we’ll take a quick peek at JavaScript iterables and how to implement them with JS objects using iterators.

Dec 2, 2024 · Learn everything about JavaScript iterables, their functionality and usage with examples. Understand iterable objects like arrays and strings to master JavaScript.

Aug 22, 2024 · Learn how to effectively work with JavaScript iterables and iterable objects in this comprehensive guide. Discover key concepts, methods, and practical examples.

In particular, we'll learn what defines an iterable, what is the iterable protocol and how are iterators and iterables linked together amidst the @@iterator() method.