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DOMStringMap

Baseline Widely available

This feature is well established and works across many devices and browser versions. Its been available across browsers since July 2015.

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

In this article

Specifications

Specification
HTML
# domstringmap

Browser compatibility

See also

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This page was last modified on Apr 11, 2025 by MDN contributors.

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