CSS @media color-index Property
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CSS @media color-index
CSS @media color-index can be used to test the number of entries in the output device's color lookup table.
Example
HTML Online Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
@media (max-color-index: 1) {
h1 {
color: red;
}
}
@media (color-index: 0) {
h1 {
color: blue;
}
}
@media (min-color-index: 2) {
h1 {
color: green;
}
}
</style>
</head>
<body>
<h1>CSS @media Feature color-index</h1>
</body>
</html>
Syntax
Using CSS
@media color-index {
element{
color: red;
}
}
Using Javascript
elementelegram.dogdia = "(color-index: 0)";
Media Query Value
The following table provides the list of media query value for color-index.
| Value | Explanation |
|---|---|
| Number | Specifies an integer value representing the number of entries in the output device's color lookup table. |
Using JavaScript
In the following example, we will demonstrate how to set the CSS @media color-index 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 color-index</h1>
<button onclick="myFunction()">Click Me</button>
<script>
function myFunction(){
var styles = 'h1{ color:blue;}';
var styleSheet = document.createElement("style");
styleSheet.type = "text/css";
styleSheet.media = "(color-index: 0)";
styleSheet.innerText = styles;
document.head.appendChild(styleSheet);
}
</script>
</body>
</html>
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