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) { }

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 iterable ( for..of …

Apr 28, 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 …

JavaScript Iterables and Iterators. JavaScript provides a protocol to iterate over data structures. This protocol defines how these data structures are iterated over using the for...of loop. The …

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.

Iterators are simply objects providing iteration utilities, while iterables are objects allowing iteration over themselves. Both concepts are entirely different, but largely related! But have you ever …

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.

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

Dec 24, 2023 · JavaScript Iterables play a crucial role in modern JavaScript, providing a way to traverse and manipulate data structures. In this article, we'll delve into the concept of iterables, …

Aug 29, 2022 · A wide variety of APIs supports iterables. Examples include the Map, WeakMap, Set, and WeakSet objects. Check out this MDN document on JavaScript APIs that accepts …