juanpicado/perfmap
Front-end performance heatmap bookmarklet.
Device.js makes it easy to write conditional CSS _and/or_ JavaScript based on device operating system (iOS, Android, Blackberry, Windows, Firefox OS, MeeGo), orientation (Portrait vs. Landscape), and type (Tablet vs. Mobile).
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Front-end performance heatmap bookmarklet.
Public repository.
Automation for Apps.
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.