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By David Walsh on February 19, 2019

Recent Features

By David WalshNovember 2, 2015
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...
By David WalshFebruary 6, 2013
6 Things You Didn’t Know About Firefox OS
Firefox OS is all over the tech news and for good reason: Mozilla's finally given web developers the platform that they need to create apps the way they've been creating them for years -- with CSS, HTML, and JavaScript. Firefox OS has been rapidly improving...

By David WalshOctober 21, 2009
Fancy FAQs with MooTools Sliders: Version 2
A little over a year ago I authored a post titled Fancy FAQs with MooTools Sliders. My post detailed a method of taking boring FAQs and making them more robust using the world's best JavaScript framework: MooTools. I've taken some time to...
By David WalshMarch 20, 2013
Detect Vendor Prefix with JavaScript
Regardless of our position on vendor prefixes, we have to live with them and occasionally use them to make things work. These prefixes can be used in two formats: the CSS format (-moz-, as in -moz-element) and the JS format (navigator.mozApps). The awesome X-Tag project has...