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Recent Features
![JavaScript Promise API]()
JavaScript Promise API
While synchronous code is easier to follow and debug, async is generally better for performance and flexibility. Why "hold up the show" when you can trigger numerous requests at once and then handle them when each is ready? Promises are becoming a big part of the JavaScript world...
![Responsive Images: The Ultimate Guide]()
Responsive Images: The Ultimate Guide
Chances are that any Web designers using our Ghostlab browser testing app, which allows seamless testing across all devices simultaneously, will have worked with responsive design in some shape or form. And as today's websites and devices become ever more varied, a plethora of responsive images...
Incredible Demos
![Create a 3D Panorama Image with A-Frame]()
Create a 3D Panorama Image with A-Frame
In the five years I've been at Mozilla I've seen some awesome projects. Some of them very popular, some of them very niche, but none of them has inspired me the way the MozVR team's work with WebVR and A-Frame project have. A-Frame is a community project...
![afterscriptexecute Event]()
afterscriptexecute Event
Fellow Mozillian Daniel Buchner, curator of the X-Tag project and clever developer who showed us how to detect dom node insertions using CSS animations, recently showed me a new JavaScript feature I'd never heard of: the
SCRIPTelement's afterscriptexecute event.
