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---
title: WindowClient.focused
slug: Web/API/WindowClient/focused
translation_of: Web/API/WindowClient/focused
---
{{SeeCompatTable}}{{APIRef("Service Workers API")}}
La propriété **`focused`** , en lecture seule de l'interface {{domxref("WindowClient")}} , est un {{domxref("Boolean")}} qui indique si client actuel a le focus .
## Syntax
myFocused = WindowClient.focused;
### Value
A {{domxref("Boolean")}}.
## Example
```js
self.addEventListener('notificationclick', function(event) {
console.log('On notification click: ', event.notification.tag);
event.notification.close();
// This looks to see if the current is already open and
// focuses if it is
event.waitUntil(clients.matchAll({
type: "window"
}).then(function(clientList) {
for (var i = 0; i < clientList.length; i++) {
var client = clientList[i];
if (client.url == '/' && 'focus' in client) {
if(!client.focused)
return client.focus();
}
}
}
if (clients.openWindow)
return clients.openWindow('/');
}));
});
```
## Specifications
| Specification | Status | Comment |
| ---------------------------------------------------------------------------------------------------- | ------------------------------------ | ------------------ |
| {{SpecName('Service Workers', '#window-client-interface', 'WindowClient')}} | {{Spec2('Service Workers')}} | Initial definition |
## Compatibilité des navigateurs
{{Compat("api.WindowClient.focused")}}
|
