The nonprofit that oversees Wikipedia briefly enforced a 'read-only' mode on Thursday morning as users spotted code designed to delete articles and place Russian text in the edit summary.

The Wikimedia Foundation suffered a security incident today after a self-propagating JavaScript worm began vandalizing pages and modifying user scripts across multiple wikis.

Learn how the DOM structures your page, how JavaScript can change it during rendering, and how to verify what Google actually sees.

Google has removed the “design for accessibility” section from within the Understand the JavaScript SEO basics documentation.

JerryScript is a lightweight JavaScript engine for resource-constrained devices such as microcontrollers. It can run on devices with less than 64 KB of RAM and less than 200 KB of flash memory.