Iterator - JavaScript | MDN
Oct 26, 2026 · An Iterator object is an object that conforms to the iterator protocol by providing a next() method that returns an …
Iterators and generators - JavaScript - MDN
Aug 21, 2026 · Iterators In JavaScript an iterator is an object which defines a sequence and potentially a return value upon its …
Iterator.from () - JavaScript - MDN
Oct 26, 2026 · The Iterator.from() static method creates a new Iterator object from an iterator or iterable object.
Iteration protocols - JavaScript - MDN
Nov 2, 2026 · Iteration protocols aren't new built-ins or syntax, but protocols. These protocols can be implemented by any object by …
Iterator () constructor - JavaScript - MDN
Oct 26, 2026 · Iterator represents an abstract class — a class that provides common utilities for its subclasses, but is not intended to …
Iterator.prototype [Symbol.iterator] () - JavaScript | MDN
Jul 10, 2025 · The [Symbol.iterator]() method of Iterator instances implements the iterable protocol and allows built-in iterators to be …
Iterator.prototype.map () - JavaScript - MDN
Oct 26, 2026 · The map() method of Iterator instances returns a new iterator helper object that yields elements of the iterator, each …
Iterator.zip () - JavaScript | MDN
Oct 26, 2026 · The Iterator.zip() static method creates a new Iterator object that aggregates elements from multiple iterable objects …
Iterator.prototype.filter () - JavaScript | MDN
Oct 26, 2026 · The filter() method of Iterator instances returns a new iterator helper object that yields only those elements of the …
Iterator.prototype.windows () - JavaScript - MDN
Oct 26, 2026 · The windows() method of Iterator instances returns a new iterator helper object that yields a sliding window of …