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Window.onvrdisplaydisconnected

The onvrdisplaydisconnected event handler property of the Window interface is called when a compatible VR device has been disconnected from the computer (when the vrdisplaydisconnected event fires).
API Events events Experimental onvrdisplaydisconnected Property Reference Virtual Reality VR WebVR Window

Window.onvrdisplaypresentchange

The onvrdisplaypresentchange property of the SpeechSynthesis interface represents an event handler that will run when the presenting state of a VR device changes — i.e. goes from presenting to not presenting, or vice versa (when the onvrdisplaypresentchange event fires).
API Events events Experimental onvrdisplaypresentchange Property Reference Virtual Reality VR WebVR Window

WindowEventHandlers.onrejectionhandled

The Window.onrejectionhandled property is an event handler for processing rejectionhandled events, which are raised when Promises are rejected.
API Event Handlers events Events HTML DOM JavaScript onrejectionhandled Promises Property Reference WindowEventHandlers

WindowEventHandlers.onunhandledrejection

The Window.onunhandledrejection property is an event handler for processing unhandledrejection events, which are raised for unhandled Promise rejections.
API Event Handler events Events HTML DOM onunhandledrejection Promises Property Reference WindowEventHandlers

DeviceAcceleration

A DeviceAcceleration object provides information about the amount of acceleration the device is experiencing along all three axes.
API Device Orientation Events Experimental Expérimental Interface NeedsExample Reference Référence

DeviceLightEvent

The DeviceLightEvent provides web developers with information from photo sensors or similiar detectors about ambient light levels near the device. For example this may be useful to adjust the screen's brightness based on the current ambient light level in order to save energy or provide better readability.
Ambient Light Events API Experimental Expérimental Interface NeedsBetterSpecLink NeedsMarkupWork

DeviceLightEvent.value

The value property provides the current level of the ambient light.
Ambient Light Events API Experimental NeedsBetterSpecLink NeedsMarkupWork Property

Element.ongotpointercapture

ongotpointercapture is an EventHandler property of the Element interface that returns the event handler (function) for the gotpointercapture event type.
API DOM Element EventHandler Pointer Events Property Reference

KeyboardEvent.code

The KeyboardEvent.code property represents a physical key on the keyboard (as opposed to the character generated by pressing the key). In other words, this property returns a value which isn't altered by keyboard layout or the state of the modifier keys.
API Code DOM Events KeyboardEvent Property Read-only Reference

MouseEvent.altKey

The MouseEvent.altKey read-only property is a Boolean indicates if the alt key was pressed (true) or not (false) when the event occurred.
API DOM DOM Events MouseEvent Property Read-only Reference Référence

MouseEvent.button

The MouseEvent.button read-only property indicates which button was pressed on the mouse to trigger the event.
API DOM DOM Events MouseEvent Property Read-only Reference Référence

MouseEvent.buttons

The MouseEvent.buttons read-only property indicates which buttons are pressed on the mouse when the event is triggered.
API DOM DOM Events Property Read-only Reference UIEvent

MouseEvent.ctrlKey

The MouseEvent.ctrlKey read-only property returns a Boolean that indicates if the control key was pressed (true) or not (false) when the event occured.
API DOM DOM Events MouseEvent Property Read-only Reference Référence

MouseEvent.getModifierState()

The MouseEvent.getModifierState() method returns the current state of the specified modifier key: true if the modifier is active (i.e., the modifier key is pressed or locked), otherwise, false.
API DOM DOM Events getModifierState Method MouseEvent Reference

MouseEvent.region

The MouseEvent.region read-only property returns the id of the canvas hit region affected by the event. If no hit region is affected, null is returned.
API Canvas DOM Events MouseEvent Property Read-only Reference Référence

MouseEvent.relatedTarget

The MouseEvent.relatedTarget read-only property is the secondary target for the event, if there is one. That is:
API DOM DOM Events MouseEvent Property Read-only Reference Référence

MouseEvent.screenY

The MouseEvent.screenY read-only property provides the vertical coordinate of the mouse pointer in global (screen) coordinates.
API DOM Events MouseEvent Property Read-only Reference Référence