IdleDetector: change event
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The change
event of the IdleDetector
interface fires when the value of userState
or screenState
has changed.
Syntax
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener('change', event => { });
onchange = event => { };
Event type
A generic Event
.
Example
In the following example, the change
callback prints the status of userState
and screenState
to the console.
idleDetector.addEventListener('change', () => {
const userState = idleDetector.userState;
const screenState = idleDetector.screenState;
console.log(`Idle change: ${userState}, ${screenState}.`);
});
Specifications
No specification found
No specification data found for api.IdleDetector.change_event
.
Check for problems with this page or contribute a missing spec_url
to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.
Browser compatibility
No compatibility data found for api.IdleDetector.change_event
.
Check for problems with this page or contribute missing data to mdn/browser-compat-data.