Limited availability
The contextmenu event fires when the user attempts to open a context menu. This event is typically triggered by clicking the right mouse button, or by pressing the context menu key.
In the latter case, the context menu is displayed at the bottom left of the focused element, unless the element is a tree, in which case the context menu is displayed at the bottom left of the current row.
Any right-click event that is not disabled (by calling the click event's preventDefault() method) will result in a contextmenu event being fired at the targeted element.
Note: An exception to this in Firefox: if the user holds down the Shift key while right-clicking, then the context menu will be shown without a contextmenu event being fired.
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("contextmenu", (event) => { })
oncontextmenu = (event) => { }
A PointerEvent. Inherits from MouseEvent.
Note: In earlier versions of the specification, the event type for this event was a MouseEvent. Check browser compatibility for more information.
This interface inherits properties from MouseEvent and Event.
PointerEvent.altitudeAngle Read only Experimental
Represents the angle between a transducer (a pointer or stylus) axis and the X-Y plane of a device screen.
PointerEvent.azimuthAngle Read only Experimental
Represents the angle between the Y-Z plane and the plane containing both the transducer (a pointer or stylus) axis and the Y axis.
PointerEvent.pointerId Read only
A unique identifier for the pointer causing the event.
PointerEvent.width Read only
The width (magnitude on the X axis), in CSS pixels, of the contact geometry of the pointer.
PointerEvent.height Read only
The height (magnitude on the Y axis), in CSS pixels, of the contact geometry of the pointer.
PointerEvent.pressure Read only
The normalized pressure of the pointer input in the range 0 to 1, where 0 and 1 represent the minimum and maximum pressure the hardware is capable of detecting, respectively.
PointerEvent.tangentialPressure Read only
The normalized tangential pressure of the pointer input (also known as barrel pressure or cylinder stress) in the range -1 to 1, where 0 is the neutral position of the control.
PointerEvent.tiltX Read only
The plane angle (in degrees, in the range of -90 to 90) between the YâZ plane and the plane containing both the pointer (e.g., pen stylus) axis and the Y axis.
PointerEvent.tiltY Read only
The plane angle (in degrees, in the range of -90 to 90) between the XâZ plane and the plane containing both the pointer (e.g., pen stylus) axis and the X axis.
PointerEvent.twist Read only
The clockwise rotation of the pointer (e.g., pen stylus) around its major axis in degrees, with a value in the range 0 to 359.
PointerEvent.pointerType Read only
Indicates the device type that caused the event (mouse, pen, touch, etc.).
PointerEvent.isPrimary Read only
Indicates if the pointer represents the primary pointer of this pointer type.
In this example, the default action of the contextmenu event is canceled using preventDefault() when the contextmenu event is fired at the first paragraph. As a result, the first paragraph will do nothing when right-clicked, while the second paragraph will show the standard context menu offered by your browser.
Note: In Firefox, if you hold down the Shift key while right-clicking, then the context menu is shown without the contextmenu event being fired. Therefore, canceling the event does not stop the context menu from being shown.
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