PreferenceManager: reducedTransparency property

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The reducedTransparency read-only property of the PreferenceManager interface returns the PreferenceObject used to override the user's preference for the reduced transparency of the site.

Valid reducedTransparency PreferenceObject.value settings are reduce and no-preference.

Value

A PreferenceObject used to override the user's preference for the reduced transparency of the site.

Examples

Basic usage

This example demonstrates how to query the user's reduced transparency preference.

js
if (navigator.preferences.reducedTransparency.value === "reduce") {
  // The user prefers reduced transparency.
} else {
  // The user has stated no preference regarding transparency.
}

Specifications

Specification
Media Queries Level 5
# reduced-transparency-attribute

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
reducedTransparency
Experimental
Chrome – Preview support
Chrome Canary
footnote Preview browser support
Edge – No support
Edge
footnote No support
Firefox – No support
Firefox
footnote No support
Opera – No support
Opera
footnote No support
Safari – No support
Safari
footnote No support
Chrome Android – No support
Chrome Android
footnote No support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – No support
Opera Android
footnote No support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – No support
Samsung Internet
footnote No support
WebView Android – No support
WebView Android
footnote No support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

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

In development. Supported in a pre-release version.
In development. Supported in a pre-release version.
No support
No support
Experimental. Expect behavior to change in the future.