Clients.openWindow()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2018年4月.
Clients接口的 openWindow() 方法创建一个顶级的浏览器上下文并加载给定的 URL. 如果调用脚本没有显示弹出窗口的权限， openWindow() 将抛出 InvalidAccessError.
在 Firefox 中，只有在作为通知点击事件的结果调用时，才允许该方法显示弹出窗口。
在 Chrome for Android 中，该方法可以改为在先前添加到用户主屏幕的 standalone web app 提供的现有浏览上下文中打开 URL.
语法
js
ServiceWorkerClients.openWindow(url).then(function (WindowClient) {
// do something with your WindowClient
});
参数
返回值
如果 URL 来自与服务工作者相同的域，则 resolve 为 WindowClient 对象的 Promise，否则 resolve 为 null value.
示例
js
// When the user clicks a notification focus the window if it exists or open
// a new one otherwise.
onotificationclick = function (event) {
var found = false;
clients.matchAll().then(function (clientsArr) {
for (i = 0; i < clientsArr.length; i++) {
if (clientsArr[i].url === event.data.url) {
// We already have a window to use, focus it.
found = true;
clientsArr[i].focus();
break;
}
}
if (!found) {
// Create a new window.
clients.openWindow(event.data.url).then(function (windowClient) {
// do something with the windowClient.
});
}
});
};
规范
| Specification |
|---|
| Service Workers # clients-openwindow |
浏览器兼容性
Loading…