Notification: maxActions static property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The maxActions read-only static property of the
Notification interface returns the maximum number of actions supported by
the device and the User Agent. Effectively, this is the maximum number of elements in
Notification.actions array which will be respected by the User Agent.
Value
An integer number which indicates the largest number of notification actions that can be presented to the user by the User Agent and the device.
Examples
The following snippet logs the maximum number of supported actions.
const maxActions = Notification.maxActions;
console.log(
`This device can display at most ${maxActions} actions on each notification.`,
);
Specifications
| Specification |
|---|
| Notifications API # dom-notification-maxactions |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
maxActions static property
|
|
|
|
|
|
|
|
|
|
|
|
|
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- In development. Supported in a pre-release version.
- In development. Supported in a pre-release version.
- No support
- No support
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- Has more compatibility info.