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By David Walsh on May 1, 2019

Recent Features

By David WalshMay 18, 2011
CSS Gradients
With CSS border-radius, I showed you how CSS can bridge the gap between design and development by adding rounded corners to elements. CSS gradients are another step in that direction. Now that CSS gradients are supported in Internet Explorer 8+, Firefox, Safari, and Chrome...
By David WalshApril 10, 2012
CSS Animations Between Media Queries
CSS animations are right up there with sliced bread. CSS animations are efficient because they can be hardware accelerated, they require no JavaScript overhead, and they are composed of very little CSS code. Quite often we add CSS transforms to elements via CSS during...

By David WalshNovember 3, 2010
HTML5’s window.postMessage API
One of the little known HTML5 APIs is the window.postMessage API. window.postMessage allows for sending data messages between two windows/frames across domains. Essentially window.postMessage acts as cross-domain AJAX without the server shims. Let's take a look at how window.postMessage works and how you...
By David WalshJanuary 3, 2012
JavaScript Battery API
Mozilla Aurora 11 was recently released with a bevy of new features. One of those great new features is their initial implementation of the Battery Status API. This simple API provides you information about the battery's current charge level, its...