JS iterators (i.e. the for-of feature) (ES6)

Summary

Iterates over iterable objects (including arrays, array-like objects, iterators and generators), invoking a custom iteration hook with statements to be executed for the value of each distinct property.

Demo

• https://github.com/GoogleChrome/samples/tree/gh-pages/collections-iterators-es6

Documentation

• https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...of
• http://updates.html5rocks.com/2014/08/Collecting-and-Iterating-the-ES6-Way

Specification

Editor's draft

Implementation Status

Enabled by default in desktop Chrome 38 (launch bug)

Available in Chrome for Android release 38.

Consensus & Standardization

• Firefox: Shipped
• Internet Explorer: Public support
• Opera: Shipped in release 25
• Opera for Android: Shipped in release 25
• Safari: In development
• Web Developers: Strongly positive

Owner

• mstarzinger@chromium.org

Last updated on 2014-10-10