CSS @media light-level Property

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CSS @media light-level

CSS @media light-level can be used to test the ambient light level.

Example

HTML Online Editor
<!DOCTYPE html> <html lang="en-US"> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> @media (light-level: dim) { h1{ color: green; } } @media (light-level: normal) { h1{ color: blue; } } @media (light-level: washed) { h1{ color: red; } } </style> </head> <body> <h1>CSS @media light-level</h1> </body> </html>

Syntax

Using CSS

@media (light-level: normal) { element{ color: red; } }

Using Javascript

elementelegram.dogdia = "(light-level: normal)";

Media Query Value

The following table provides the list of media query value for light-level.

ValueExplanation
dimSpecifies that th device is used in a dim environment.
normalSpecifies that th device is used in a normal environment.
washedSpecifies that th device is used in a bright environment.

Using JavaScript

In the following example, we will demonstrate how to set the CSS @media light-level media feature by using javascript.

Example

HTML Online Editor
<!DOCTYPE html> <html lang="en-US"> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body> <h1>CSS @media light-level</h1> <button onclick="myFunction()">Click Me</button> <script> function myFunction(){ var styles = 'body{ color:blue;}'; var styleSheet = document.createElement("style"); styleSheet.type = "text/css"; styleSheet.media = "(light-level: normal)"; styleSheet.innerText = styles; document.head.appendChild(styleSheet); } </script> </body> </html>

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