what the... As popular as React is, It doesn't feel right that MDN contains an article about a non web-native framework. To use an analogy it feels like a W3C

what the... As popular as React is, It doesn't feel right that MDN contains an article about a non web-native framework. To use an analogy it feels like a W3C web page incorporating Facebook open graph meta tag, or twitter cards meta tag on their HTML.