TaskController: TaskController() constructor
The TaskController()
constructor creates a new TaskController
object, optionally setting the initial priority of its associated signal
.
If no priority is set, the signal priority defaults to user-visible
Syntax
js
new TaskController()
new TaskController(options)
Parameters
options
Optional-
An object with the following properties:
priority
Optional-
The priority of the signal associated with this
TaskController
. One of:"user-blocking"
,"user-visible"
(default),"background"
.
Examples
This code shows how to construct a task controller that has a signal with default priority (user-visible
).
js
const controller = new TaskController();
To construct a task controller that has a specific signal priority, pass the priority
as a property of the optional argument.
js
controller2 = new TaskController({ priority: "user-blocking" });
Specifications
Specification |
---|
Prioritized Task Scheduling # dom-taskcontroller-taskcontroller |
Browser compatibility
BCD tables only load in the browser