HTML media 属性
定义和用法
media
属性规定被链接文档针对哪种媒体或设备进行了优化。
此属性用于规定目标 URL 是为特殊设备(如 iPhone)、语音或印刷媒体设计的。
该属性可以接受多个值。
仅在存在 href 属性 时使用。
Uwenzaji:Hii matumizi ni pekee inayotumika kwa ajili ya mazidi.
Mifano
Tumia media kwa kuzingatia URL ya kituo cha media/kituo:
<map name="planetmap"> <area shape="rect" coords="0,0,114,576" alt="Soleliya" href="sun.html" media="screen and (min-color-index:256)">
语法
可能的运算符
运算符 | Maelezo |
---|---|
and | 规定 AND 运算符。 |
not | 规定 NOT 运算符。 |
, | 规定 OR 运算符。 |
设备
Wazitoa | Maelezo |
---|---|
all | 默认。适合所有设备。 |
aural | 语音合成器。 |
braille | 盲文反馈装置。 |
handheld | 手持设备(小屏幕、有限的带宽)。 |
projection | 投影机。 |
打印预览模式/打印页面。 | |
screen | 计算机屏幕。 |
tty | 电传打字机以及使用等宽字符网格的类似媒介。 |
tv | Vifaa vya televisheni (muungano wa hasira, uwezo wa upelekezo wa paje wa kikomo). |
Wazitoa
Wazitoa | Maelezo |
---|---|
width |
Inauza kifungu cha kifungu cha mtandao cha kifungu cha kifungu cha mtandao/kipapuro. Inafaa kutumia mpangilio wa "min-" na "max-". Mfano: media="screen and (min-width:500px)" |
height |
Inauza kifungu cha kifungu cha mtandao cha kifungu cha kifungu cha mtandao/kipapuro. Inafaa kutumia mpangilio wa "min-" na "max-". Mfano: media="screen and (max-height:700px)" |
device-width |
Inauza kifungu cha kifungu cha mtandao/kipapuro. Inafaa kutumia mpangilio wa "min-" na "max-". Mfano: media="screen and (device-width:500px)" |
device-height |
Inauza kifungu cha kifungu cha mtandao/kipapuro. Inafaa kutumia mpangilio wa "min-" na "max-". Mfano: media="screen and (device-height:500px)" |
orientation |
Inauza kifungu cha kifungu cha mtandao/kipapuro cha kifungu cha kifungu cha mtandao/kipapuro. Mifano: "portrait" au "landscape" Mfano: media="all and (orientation: landscape)" |
aspect-ratio |
Inauza kifungu cha kifungu cha mtandao cha kifungu cha kifungu cha mtandao/kipapuro. Inafaa kutumia mpangilio wa "min-" na "max-". Mfano: media="screen and (aspect-ratio:16/9)" |
device-aspect-ratio |
Inauza kifungu cha kifungu cha mtandao/kipapuro cha device-width/device-height. Inafaa kutumia mpangilio wa "min-" na "max-". Mfano: media="screen and (aspect-ratio:16/9)" |
color |
Inauza inaonyesha ya rangi za kifungu cha kifungu cha mtandao. Inafaa kutumia mpangilio wa "min-" na "max-". Mfano: media="screen and (color:3)" |
color-index |
Inauza inaonyesha ya rangi inayoweza kuchukua na kufanya kwa kifungu cha kifungu cha mtandao. Inafaa kutumia mpangilio wa "min-" na "max-". Mfano: media="screen and (min-color-index:256)" |
kichwa cha rangi moja |
Inaingia kiwango cha biti kwa kila mabomu katika kifungu ya kichwa wa rangi moja. Inafaa kutumia mpangilio wa "min-" na "max-". Mifano: media="screen and (monochrome:2)" |
kiwango |
Inaingia uwezo wa kifaa cha kuzichapisha kwenye kifungu/kitamu (dpi au dpcm). Inafaa kutumia mpangilio wa "min-" na "max-". Mifano: media="print and (resolution:300dpi)" |
kuzingatia |
Inaingia mtu wa kifungu cha kuzingatia kifungu cha TV. Mivyo yanaonekana ni: "progressive" na "interlace". Mifano: media="tv and (scan:interlace)" |
kifungu |
Inaingia kiwango cha kuzingatia kifaa cha kuzichapisha kama kifungu au picha ya mbegu. Mivyo yanaonekana: "1" inamaanisha kifungu, "0" ni mengine. Mifano: media="handheld and (grid:1)" |
Msaada wa kiburi
Chrome | Edge | Firefox | Safari | Opera |
---|---|---|---|---|
Chrome | Edge | Firefox | Safari | Opera |
Msaada | Msaada | Msaada | Msaada | Msaada |