web-feature: Dataset

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

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-05

Servo

Android

2026-05

Chrome Browser

Android

18

Safari Browser

iOS

5

Notes

Support data provided by: BCD logo

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This feature was last updated on May 02, 2026.