Limited availability
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Note: This feature is available in Dedicated Web Workers.
The start()
method of the IdleDetector
interface returns a Promise
that resolves when the detector starts listening for changes in the user's idle state. This method takes an optional options
object with the threshold
in milliseconds where inactivity should be reported and signal
for an AbortSignal
to abort the idle detector.
options
Optional
An object with the following properties:
threshold
The minimum number of idle milliseconds before reporting should begin.
signal
A reference to an AbortSignal
instance allowing you to abort idle detection.
A Promise
.
NotAllowedError
DOMException
Use of this feature was blocked by a Permissions Policy.
The following example shows how to start idle detection using the options
argument. It retrieves an instance of AbortSignal
from an instance of AbortController
.
const controller = new AbortController();
const signal = controller.signal;
await idleDetector.start({
threshold: 60_000,
signal,
});
console.log("IdleDetector is active.");
Specifications Browser compatibility
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4