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![7 Essential JavaScript Functions]()
7 Essential JavaScript Functions
I remember the early days of JavaScript where you needed a simple function for just about everything because the browser vendors implemented features differently, and not just edge features, basic features, like
addEventListenerandattachEvent. Times have changed but there are still a few functions each developer should...![CSS vs. JS Animation: Which is Faster?]()
CSS vs. JS Animation: Which is Faster?
How is it possible that JavaScript-based animation has secretly always been as fast — or faster — than CSS transitions? And, how is it possible that Adobe and Google consistently release media-rich mobile sites that rival the performance of native apps? This article serves as a point-by-point...
Incredible Demos
![:valid, :invalid, and :required CSS Pseudo Classes]()
:valid, :invalid, and :required CSS Pseudo Classes
Let's be honest, form validation with JavaScript can be a real bitch. On a real basic level, however, it's not that bad. HTML5 has jumped in to some extent, providing a few attributes to allow us to mark fields as required or only valid if matching...
![Multiple File Upload Input]()
Multiple File Upload Input
More often than not, I find myself wanting to upload more than one file at a time. Having to use multiple "file" INPUT elements is annoying, slow, and inefficient. And if I hate them, I can't imagine how annoyed my users would be. Luckily Safari, Chrome...



