PresentationAvailability

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

A PresentationAvailability object is associated with available presentation displays and represents the presentation display availability for a presentation request. If the controlling user agent can monitor the list of available presentation displays in the background (without a pending request to start()), the PresentationAvailability object MUST be implemented in a controlling browsing context.

The value attribute MUST return the last value it was set to. The value is updated by the monitor the list of available presentation displays algorithm.

The onchange attribute is an event handler whose corresponding event handler event type is change.

Properties

PresentationAvailability.value Read only

A boolean value indicating whether the given presentation display is available. The value attribute MUST return the last value it was set to.

Event handlers

PresentationAvailability.onchange

Indicates that the availability of the presentation display has changed.

Methods

None.

Specifications

Specification
Presentation API
# interface-presentationavailability

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
PresentationAvailability
48
79
51-88
No
Yes
No
No
48
51-79
Yes
No
5.0
onchange
48
79
51-88
No
Yes
No
No
48
51-79
Yes
No
5.0
value
48
79
51-88
No
Yes
No
No
48
51-79
Yes
No
5.0

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https://developer.mozilla.org/en-US/docs/Web/API/PresentationAvailability