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By David Walsh on September 9, 2023

Recent Features

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 WalshNovember 21, 2011
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?

By David WalshApril 24, 2013
Unicode CSS Classes
CSS class name structure and consistency is really important; some developers camelcase classnames, others use dashes, and others use underscores. One thing I've learned when toying around by HTML and CSS class names is that you can actually use unicode symbols and icons as classnames.
By David WalshAugust 22, 2011
JavaScript and CSS Spinners with spin.js
I think it's safe to say the days of using images to provide the "small touches" are over. We can now safely create gradients, drop shadows, rounded corners, and scaled, rotated, transformed animations. It seems we've now moved on to replacing...