Recent Features
![5 Awesome New Mozilla Technologies You’ve Never Heard Of]()
5 Awesome New Mozilla Technologies You’ve Never Heard Of
My trip to Mozilla Summit 2013 was incredible. I've spent so much time focusing on my project that I had lost sight of all of the great work Mozillians were putting out. MozSummit provided the perfect reminder of how brilliant my colleagues are and how much...
![Detect DOM Node Insertions with JavaScript and CSS Animations]()
Detect DOM Node Insertions with JavaScript and CSS Animations
I work with an awesome cast of developers at Mozilla, and one of them in Daniel Buchner. Daniel's shared with me an awesome strategy for detecting when nodes have been injected into a parent node without using the deprecated DOM Events API.
Incredible Demos
![Page Visibility API]()
Page Visibility API
One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?
![AJAX Username Availability Checker Using MooTools 1.2]()
AJAX Username Availability Checker Using MooTools 1.2
This post has been updated: Using jQuery or MooTools For Drag, Drop, Sort, Save. The code on this page is no longer best practice. There a many examples of egregious usages of AJAX out there but every once in a while you find...




