Firefox Tomorrow

http permissions policy directive

Permissions-Policy: screen-wake-lock directive

View on MDN ↗

Limited availability

The HTTP Permissions-Policy header screen-wake-lock directive controls whether the current document is allowed to use Screen Wake Lock API to indicate that the device should not dim or turn off the screen.

Specifically, where a defined policy blocks use of this feature, request() calls will return a Promise that rejects with a DOMException of type NotAllowedError.

Syntax

Permissions-Policy: screen-wake-lock=<allowlist>;
  • <allowlist>

Default policy

The default allowlist for screen-wake-lock is self.

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also