The focused
read-only property of the
WindowClient
interface is a Boolean
that indicates whether
the current client has focus.
Syntax
var myFocused = windowClient.focused;
Value
A Boolean
.
Example
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 |
---|---|---|
Service Workers The definition of 'WindowClient: focused' in that specification. |
Working Draft | Initial definition |
Browser compatibility
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