Key features by area
Find overviews, code snippets, and links to related reference pages, demos, specifications, and more.
Device access
Geolocation API, Device adaptation, Media queries and listeners, Pointer and gesture events
Offline and storage
CSS3
Animations, Backgrounds and borders, Device adaptation, Exclusions, Fonts, Flexbox, Gradients, Grid, Hyphenation, Media Queries and listeners, Multi-column, Regions, Text shadows
Performance and integration
async, Drag and drop, History, Navigation Timing, Page Visibility, requestAnimationFrame, setImmediate, Web Workers, XMLHttpRequest enhancements
