Attribut média HTML <a>
Exemple
Un lien avec un attribut media :
<a href="att_a_media.asp?output=print"
media="print and (resolution:300dpi)">
Open media attribute page for print.</a>
Définition et utilisation
L' mediaattribut spécifie pour quel support ou périphérique le document lié est optimisé.
Cet attribut est utilisé pour spécifier que l'URL cible est conçue pour des appareils spéciaux (comme l'iPhone), la parole ou les médias imprimés.
Cet attribut peut accepter plusieurs valeurs.
Utilisé uniquement si l' hrefattribut est présent.
Remarque : Cet attribut est purement consultatif.
Prise en charge du navigateur
| Element | |||||
|---|---|---|---|---|---|
| media | Yes | Yes | Yes | Yes | Yes |
Syntaxe
<a media="value">
Opérateurs possibles
| Value | Description |
|---|---|
| and | Specifies an AND operator |
| not | Specifies a NOT operator |
| , | Specifies an OR operator |
Dispositifs
| Value | Description |
|---|---|
| all | Default. Suitable for all devices |
| aural | Speech synthesizers |
| braille | Braille feedback devices |
| handheld | Handheld devices (small screen, limited bandwidth) |
| projection | Projectors |
| Print preview mode/printed pages | |
| screen | Computer screens |
| tty | Teletypes and similar media using a fixed-pitch character grid |
| tv | Television type devices (low resolution, limited scroll ability) |
Valeurs
| Value | Description |
|---|---|
| width | Specifies the width of the targeted display area. "min-" and "max-" prefixes can be used. Example: media="screen and (min-width:500px)" |
| height | Specifies the height of the targeted display area. "min-" and "max-" prefixes can be used. Example: media="screen and (max-height:700px)" |
| device-width | Specifies the width of the target display/paper. "min-" and "max-" prefixes can be used. Example: media="screen and (device-width:500px)" |
| device-height | Specifies the height of the target display/paper. "min-" and "max-" prefixes can be used. Example: media="screen and (device-height:500px)" |
| orientation | Specifies the orientation of the target display/paper. Possible values: "portrait" or "landscape" Example: media="all and (orientation: landscape)" |
| aspect-ratio | Specifies the width/height ratio of the targeted display area. "min-" and "max-" prefixes can be used. Example: media="screen and (aspect-ratio:16/9)" |
| device-aspect-ratio | Specifies the device-width/device-height ratio of the target display/paper. "min-" and "max-" prefixes can be used. Example: media="screen and (aspect-ratio:16/9)" |
| color | Specifies the bits per color of target display. "min-" and "max-" prefixes can be used. Example: media="screen and (color:3)" |
| color-index | Specifies the number of colors the target display can handle. "min-" and "max-" prefixes can be used. Example: media="screen and (min-color-index:256)" |
| monochrome | Specifies the bits per pixel in a monochrome frame buffer. "min-" and "max-" prefixes can be used. Example: media="screen and (monochrome:2)" |
| resolution | Specifies the pixel density (dpi or dpcm) of the target display/paper. "min-" and "max-" prefixes can be used. Example: media="print and (resolution:300dpi)" |
| scan | Specifies scanning method of a tv display. Possible values are "progressive" and "interlace". Example: media="tv and (scan:interlace)" |
| grid | Specifies if the output device is grid or bitmap. Possible values are "1" for grid, and "0" otherwise. Example: media="handheld and (grid:1)" |
❮ Balise HTML <a>