Attribut HTML <img> longdesc
Exemple
Plusieurs exemples d'utilisation de l'attribut longdesc :
<!-- The description is on the same page as the image -->
<img src="w3html.gif" alt="W3Schools.com" width="100" height="132" longdesc="#w3htmlExplained">
<!-- The description is in an external page -->
<img src="w3html.gif" alt="W3Schools.com" width="100" height="132" longdesc="w3html.txt">
<!-- The description is one of several within an external page -->
<img src="w3html.gif" alt="W3Schools.com" width="100" height="132" longdesc="http://example.com/desc#item3">
<!-- The description is included in a data:URI -->
<img src="w3html.gif" alt="W3Schools.com" width="100" height="132" longdesc="data:text/html;charset=utf-8;,%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3Ctitle%3EDescription%20of%20the%20Logo%3C/title%3E%3C/head%3E%3Cbody%3E%3Cp%3ESome%20description%20goes%20here%3C/body%3E%3C/html%3E">
Définition et utilisation
L' longdescattribut spécifie un lien hypertexte vers une description détaillée d'une image.
Prise en charge du navigateur
| Attribute | |||||
|---|---|---|---|---|---|
| longdesc | Not supported | Not supported | Not supported | Not supported | Not supported |
Syntaxe
<img longdesc="string">
Valeurs d'attribut
| Value | Description |
|---|---|
| string | A hyperlink to a detailed description of an image. Possible values:
|
❮ Balise HTML <img>