Web/API/DOMStringMap

The DOMStringMap interface is used for the HTMLElement.dataset attribute, to represent data for custom attributes added to elements.

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'DOMStringMap' in that specification.	Living Standard

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
DOMStringMap	Chrome Full support Yes	Edge Full support 12	Firefox Full support 6	IE Full support 11	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes

Legend

Full support  

Full support

See also

• HTMLElement.dataset
• Global attributes - data-*

DOMStringMap by Mozilla Contributors is licensed under CC-BY-SA 2.5.