CSS @media scan Property
CSS @media scan
CSS @media scan can be used to test the scanning process (if any) utilized by the output device.
Example
HTML Online Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
@media (scan: interlace){
h1{
color: green;
}
}
@media (scan: progressive){
h1{
color: red;
}
}
</style>
</head>
<body>
<h1>CSS @media scan</h1>
</body>
</html>
Syntax
Using CSS
@media (scan: progressive) {
element{
color: red;
}
}
Using Javascript
elementelegram.dogdia = "(scan: progressive)";
Media Query Value
The following table provides the list of media query value for scan.
| Value | Explanation |
|---|---|
| interlace | Specifies that the device draws odd lines and even lines alternately. Some televisions use interlaced scanning. |
| progressive | Specifies that the device draws all lines in sequence. All computer screens use progressive scanning. |
Using JavaScript
In the following example, we will demonstrate how to set the CSS @media scan 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 scan</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 = "(scan: progressive)";
styleSheet.innerText = styles;
document.head.appendChild(styleSheet);
}
</script>
</body>
</html>
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