Sanitizer: setDataAttributes() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

The setDataAttributes() method of the Sanitizer interface sets whether all data-* attributes will be allowed by the sanitizer, or if they must be individually specified.

If this is set true, then data attributes are automatically allowed and you should not add them individually using Sanitizer.allowAttribute() (or Sanitizer.allowElement() for local attributes).

Note that this method is useful for allow configurations which have a lot of data-* attributes that you want to allow. The method returns false when used with remove configurations, which can allow all data-* attributes simply by omitting them.

Syntax

js
setDataAttributes(allow);

Parameters

allow

true if all data-* attributes are allowed, and false if they must be explicitly specified.

Return value

true if the operation changed the configuration, and false if the configuration already set dataAttributes to the specified value or dataAttributes cannot be set true because this sanitizer has a remove configuration.

Examples

Basic usage

The code below shows the basic usage of the setDataAttributes() method.

js
// Create sanitizer (in this case the default)
const sanitizer = new Sanitizer();

// Allow all data-* attributes
sanitizer.setDataAttributes(true);

// data-* attributes are allowed by adding them
// to the attributes array
sanitizer.setDataAttributes(false);

Specifications

Specification
HTML Sanitizer API
# dom-sanitizer-setdataattributes

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
setDataAttributes
Chrome – Full support
Chrome 146 (Release date: 2026-03-10)
footnote Full support
Edge – Full support
Edge 146 (Release date: 2026-03-13)
footnote Full support
Firefox – Full support
Firefox 148 (Release date: 2026-02-24)
footnote Full support
Opera – Full support
Opera 130 (Release date: 2026-04-08)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 146 (Release date: 2026-03-10)
footnote Full support
Firefox for Android – Full support
Firefox for Android 148 (Release date: 2026-02-24)
footnote Full support
Opera Android – Full support
Opera Android 97 (Release date: 2026-04-16)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – No support
Samsung Internet
footnote No support
WebView Android – Full support
WebView Android 146 (Release date: 2026-03-10)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support