scan
CSS
media feature
can be used to test the scanning process (if any) utilized by the output device. The word
scanning
used in this context does not refer to an image scanner, such as one used to digitize a photograph. Rather, it means the process by which an image is painted onto a television screen (or other device).
scan
feature is specified as a single keyword value chosen from the list below.
interlace
The device draws odd lines and even lines alternately. Some televisions use interlaced scanning.
progressive
The device draws all lines in sequence. All computer screens use progressive scanning.
<p>If your screen uses interlaced rendering, this text should be in a sans-serif font. If your screen uses progressive scanning, you should see a serif font.</p>
p {
font-family: cursive;
}
@media (scan: interlace) {
p {
font-family: sans-serif;
}
}
@media (scan: progressive) {
p {
font-family: serif;
}
}
| 规范 | 状态 | 注释 |
|---|---|---|
|
Media Queries Level 4
The definition of 'scan' in that specification. |
候选推荐 | 无变化。 |
|
Media Queries
The definition of 'scan' in that specification. |
推荐 | 初始定义。 |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
scan
media feature
|
Chrome 不支持 No | Edge 不支持 No | Firefox 不支持 No | IE 不支持 No | Opera 不支持 No | Safari 不支持 No | WebView Android 不支持 No | Chrome Android 不支持 No | Firefox Android 不支持 No | Opera Android 不支持 No | Safari iOS 不支持 No | Samsung Internet Android 不支持 No |
不支持