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5223

Introducing Custom Elements

A little over a year ago, we announced the introduction of slot-based shadow DOM API, a lightweight mechanism to encapsulate a DOM tree by allowing the creation of a parallel DOM tree on an element called a “shadow tree” that replaces the rendering of the element without modifying the regular DOM tree.

5230

Whatsapp: Video Calling

Our goal at WhatsApp has always been to help as many people as possible stay in touch with friends, family, and others they care about. That means making a product that’s simple, easy to use, and accessible no matter where you are. We started with messaging and Group Chat. Then we added voice calling. And we did it in…