Dataset

The dataset API attaches and accesses custom data on elements, using either the dataset property of HTMLElement or attributes prefixed with data-.

Baseline Status: Achieved Widely Available on Jan 29, 2018 (Cross-browser Newly Available since Jul 29, 2015).

Desktop Browser Engine Support

Google Chrome

7

Supported

Mozilla Firefox

6

Supported

Apple Safari

5.1

Supported

Microsoft Edge

12

Supported

Mobile Browser Engine Support

Chrome Android

18

Firefox Android

6

Safari iOS

5

Specifications and References

Specification ↗ Can I Use (dataset) ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.DOMStringMap ↗ api.HTMLElement.dataset ↗ api.MathMLElement.dataset ↗ api.SVGElement.dataset ↗