This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.
The DeviceLightEvent
provides web developers with information from photo sensors or similiar 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
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chrome
No support No |
Edge
No support ≤18 — 79 |
Firefox Full support 62 Full support 62 Notes' See bug 1462308.
Disabled' From version 62: this feature is behind the Notes' Not supported for MacBook with Touch Bar and Windows 7 (see bug 754199). |
IE
No support No |
Opera
No support No |
Safari
No support No |
WebView Android
No support No |
Chrome Android
No support No |
Firefox Android Full support 62 Full support 62 Notes' See bug 1462308.
Disabled' From version 62: this feature is behind the |
Opera Android
No support No |
Safari iOS
No support No |
Samsung Internet Android
No support No |
Chrome
No support No |
Edge
No support 13 — 79 |
Firefox Full support 62 Full support 62 Notes' See bug 1462308.
Disabled' From version 62: this feature is behind the Notes' Not supported for MacBook with Touch Bar and Windows 7 (see bug 754199). |
IE
No support No |
Opera
No support No |
Safari
No support No |
WebView Android
No support No |
Chrome Android
No support No |
Firefox Android Full support 62 Full support 62 Notes' See bug 1462308.
Disabled' From version 62: this feature is behind the |
Opera Android
No support No |
Safari iOS
No support No |
Samsung Internet Android
No support No |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.'
- Experimental. Expect behavior to change in the future.
- Non-standard. Expect poor cross-browser support.'
- Non-standard. Expect poor cross-browser support.
- See implementation notes.'
- See implementation notes.
- User must explicitly enable this feature.'
- User must explicitly enable this feature.
See also
devicelight
- Using Light Events
DeviceLightEvent by Mozilla Contributors is licensed under CC-BY-SA 2.5.