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
optionsOptional-
An object with the following properties:
priorityOptional-
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