The definition of 'MouseEvent.region' in that specification.įrom Document Object Model (DOM) Level 3 Events Specification, added the region property. This example demonstrates simulating a click (that is programmatically generating a click event) on a checkbox using DOM methods.Ĭlick on the button to see how the sample works: If the event has already being dispatched, this method does nothing. MouseEvent.initMouseEvent() Initializes the value of a MouseEvent created. See the KeyboardEvent.getModifierState() for details. MouseEvent.getModifierState() Returns the current state of the specified modifier key. This interface also inherits methods of its parents, UIEvent and Event. MouseEvent.y Read only Alias for MouseEvent.clientY Constants MouseEvent.WEBKIT_FORCE_AT_MOUSE_DOWN Read only Minimum force necessary for a normal click MouseEvent.WEBKIT_FORCE_AT_FORCE_MOUSE_DOWN Read only Minimum force necessary for a force click Methods MouseEvent.webkitForce Read only The amount of pressure applied when clicking MouseEvent.x Read only Alias for MouseEvent.clientX. This lets you, for example, determine whether a mouse event was generated by an actual mouse or by a touch event (which might affect the degree of accuracy with which you interpret the coordinates associated with the event). The type of device that generated the event (one of the MOZ_SOURCE_* constants listed below). MouseEvent.mozPressure Read only The amount of pressure applied to a touch or tablet device when generating the event this value ranges between 0.0 (minimum pressure) and 1.0 (maximum pressure). MouseEvent.which Read only The button being pressed when the mouse event was fired. MouseEvent.shiftKey Read only Returns true if the shift key was down when the mouse event was fired. MouseEvent.screenY Read only The Y coordinate of the mouse pointer in global (screen) coordinates. MouseEvent.screenX Read only The X coordinate of the mouse pointer in global (screen) coordinates. The secondary target for the event, if there is one. If no hit region is affected, null is returned. MouseEvent.region Read only Returns the id of the hit region affected by the event. MouseEvent.pageY Read only The Y coordinate of the mouse pointer relative to the whole document. MouseEvent.pageX Read only The X coordinate of the mouse pointer relative to the whole document. MouseEvent.offsetY Read only The Y coordinate of the mouse pointer relative to the position of the padding edge of the target node. MouseEvent.offsetX Read only The X coordinate of the mouse pointer relative to the position of the padding edge of the target node. MouseEvent.movementY Read only The Y coordinate of the mouse pointer relative to the position of the last mousemove event. MouseEvent.movementX Read only The X coordinate of the mouse pointer relative to the position of the last mousemove event. taKey Read only Returns true if the meta key was down when the mouse event was fired. MouseEvent.ctrlKey Read only Returns true if the control key was down when the mouse event was fired. MouseEvent.clientY Read only The Y coordinate of the mouse pointer in local (DOM content) coordinates. The buttons being pressed when the mouse event was fired MouseEvent.clientX Read only The X coordinate of the mouse pointer in local (DOM content) coordinates. MouseEvent.button Read only The button number that was pressed when the mouse event was fired. MouseEvent.altKey Read only Returns true if the alt key was down when the mouse event was fired. This interface also inherits properties of its parents, UIEvent and Event. Constructor MouseEvent() Creates a MouseEvent object. Several more specific events derivate from MouseEvent: WheelEvent and DragEvent. Though the MouseEvent.initMouseEvent() method is kept for backward compatibility, creating of a MouseEvent object should be done using the MouseEvent() constructor. MouseEvent derives from UIEvent, which in turn derives from Event. Common events using this interface include click, dblclick, mouseup, mousedown. The MouseEvent interface represents events that occur due to the user interacting with a pointing device (such as a mouse).
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