Blog Post

The Smart Thing About the Browser Ignoring Things It Doesn’t Understand

Browsers ignore tags and such that they don’t understand. So, if you’re showing Mom your web exploits on her computing dinosaur, the picture and source elements may get ignored, and it’ll just display the one it knows: the img tag. In this way we can add new things (HTML elements, CSS properties etc) without old browsers breaking or choking on the cool new things that we can use in new browsers.