The Element
interface's
onfullscreenerror
property is an event handler for the
fullscreenerror
event which is sent to
the element when an error occurs while attempting to transition into or out of
full-screen mode.
Syntax
targetElement.onfullscreenerror = fullscreenErrorHandler;
Value
An error handler for the fullscreenerror
event.
Example
This example attempts to switch into full-screen mode from outside a handler for a
user-initiated event (such as a click
or
keypress
event). Since full-screen mode changes
are only permitted in response to a user input, this causes an error to occur, which
triggers the delivery of the fullscreenerror
event to the error handler,
let elem = document.querySelector("video")}}
elem.onfullscreenerror = function ( event ) {
displayWarning("Unable to switch into full-screen mode.");
};
//....
elem.requestFullscreen();
Specifications
Specification | Status | Comment |
---|---|---|
Fullscreen API The definition of 'onfullscreenerror' in that specification. |
Living Standard | Initial definition. |
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