DeviceLightEvent

Deprecated

This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

Experimental

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

The DeviceLightEvent provides web developers with information from photo sensors or similar detectors about ambient light levels near the device. For example this may be useful to adjust the screen's brightness based on the current ambient light level in order to save energy or provide better readability.

Properties

DeviceLightEvent.value
The level of the ambient light in lux.

Example

window.addEventListener('devicelight', function(event) {
  console.log(event.value);
});

Specifications

No specification.

Browser compatibility

BCD tables only load in the browser

See also