弃用
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the
兼容性表格
at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
unregister()
method was used to ask the system to unregister and delete the specified endpoint. In the updated API, a subscription is can be unregistered via the
PushSubscription.unsubscribe()
方法。
var request = navigator.push.unregister(pushEndpoint);
A pushEndpoint to be unregistered.
A
DOMRequest
object to handle the success or failure of the method call.
If the method call is successful, the request's
result
将是
PushRegistration
object representing the endpoint that has been unregistered.
Those objects are anonymous JavaScript objects with the following properties:
pushEndpoint
A string representing the URL of the unregistered endpoint.
version
未定义
当
unregister.onsuccess
被调用。
var req = navigator.push.unregister(pushEndpoint);
req.onsuccess = function(e) {
var endpoint = req.result;
debug("Unregistered endpoint: " + endpoint );
}
req.onerror = function(e) {
debug("Error unregistering the endpoint: " + JSON.stringify(e));
}
| 规范 | 状态 | 注释 |
|---|---|---|
| Push API | 工作草案 |
定义
PushManager
接口。
|
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
unregister
|
Chrome 42 |
Edge
16
Disabled
|
Firefox
44
|
IE No | Opera 29 | Safari No | WebView Android No | Chrome Android 42 |
Firefox Android
48
|
Opera Android 29 | Safari iOS No | Samsung Internet Android 4.0 |
完整支持
不支持
实验。期望将来行为有所改变。
见实现注意事项。
用户必须明确启用此特征。