steganography-1

By David Walsh on May 23, 2020

Recent Features

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 Julian ShapiroApril 28, 2014
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...

By David WalshJanuary 2, 2013
afterscriptexecute Event
Fellow Mozillian Daniel Buchner, curator of the X-Tag project and clever developer who showed us how to detect dom node insertions using CSS animations, recently showed me a new JavaScript feature I'd never heard of: the SCRIPT element's afterscriptexecute event.
By David WalshDecember 27, 2010
HTML5 Placeholder Styling with CSS
Last week I showed you how you could style selected text with CSS. I've searched for more interesting CSS style properties and found another: INPUT placeholder styling. Let me show you how to style placeholder text within INPUTelements with some unique CSS code. The CSS Firefox...