Dataset

The dataset API attaches and accesses custom data on elements, using either the dataset property of HTMLElement or attributes prefixed with data-. To learn more, see DOMStringMap, HTMLElement: dataset property, SVGElement: dataset property at MDN.

Compatibility (view on caniuse.com)

• Chrome 7 Released on 2010-10-19
• Chrome Android 18 Released on 2012-06-27
• Edge 12 Released on 2015-07-29
• Firefox 6 Released on 2011-08-16
• Firefox for Android 6 Released on 2011-08-16
• Safari 5.1 Released on 2011-07-20
• Safari on iOS 5 Released on 2011-10-12