1. Web
  2. Web APIs
  3. PreferenceObject
  4. value

PreferenceObject: value 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 value read-only property of the PreferenceManager interface returns the override value of a preference if one is set, or the UA-defined value if an override value is not set.

Value

The override of the PreferenceObject interface if one is set, or the UA-defined value otherwise.

Examples

Basic usage

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

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

Specifications

Specification
Media Queries Level 5
# preference-value-attribute

Browser compatibility

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