Attribut HTML <script> referrerpolicy
Exemple
Définissez la règle de référence d'un script :
<script src="myscripts.js" referrerpolicy="origin"></script>
Définition et utilisation
L' referrerpolicyattribut spécifie les informations de référence à envoyer lors de la récupération d'un script.
Prise en charge du navigateur
Les nombres dans le tableau indiquent la première version du navigateur qui prend entièrement en charge l'attribut.
| Attribute | |||||
|---|---|---|---|---|---|
| referrerpolicy | 70.0 | 79.0 | 65.0 | No | Yes |
Syntaxe
<script referrerpolicy="no-referrer|no-referrer-when-downgrade|origin|origin-when-cross-origin|same-origin|strict-origin-when-cross-origin|unsafe-url">
Valeurs d'attribut
| Value | Description |
|---|---|
| no-referrer | No referrer information is sent |
| no-referrer-when-downgrade | Default. Sends the origin, path, and query string if the protocol security level stays the same or is higher (HTTP to HTTP, HTTPS to HTTPS, HTTP to HTTPS is ok). Sends nothing to less secure level (HTTPS to HTTP is not ok) |
| origin | Sends the origin (scheme, host, and port) of the document |
| origin-when-cross-origin | Sends the origin of the document for cross-origin request. Sends the origin, path, and query string for same-origin request |
| same-origin | Sends a referrer for same-origin request. Sends no referrer for cross-origin request |
| strict-origin-when-cross-origin | Sends the origin if the protocol security level stays the same or is higher (HTTP to HTTP, HTTPS to HTTPS, and HTTP to HTTPS is ok). Sends nothing to less secure level (HTTPS to HTTP) |
| unsafe-url | Sends the origin, path, and query string (regardless of security). Use this value carefully! |
❮ Balise HTML <a>