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By David Walsh on October 21, 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 WalshJune 2, 2015
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 addEventListener and attachEvent. Times have changed but there are still a few functions each developer should...

By David WalshFebruary 4, 2010
Checkbox Filtering Using MooTools ElementFilter
When I first wrote MooTools ElementFilter, I didn't think much of it. Fast forward eight months later and I've realized I've used the plugin a billion times. Hell, even one of the "big 3" search engines is using it for their maps application.
By David WalshNovember 29, 2012
CSS :target
One interesting CSS pseudo selector is :target. The target pseudo selector provides styling capabilities for an element whose ID matches the window location's hash. Let's have a quick look at how the CSS target pseudo selector works! The HTML Assume there are any number of HTML elements with...