JS Event Attribute Method list

Common Properties and methods for event objects

The event object is used to represent the current event, which has many states, such as the position of the mouse click, the key when the keyboard is pressed, the HTML element in which the event occurred, whether the default action is performed, whether it is bubbling, and so on, all of which exist as properties and methods of the event object. To obtain a corresponding state, you must access the corresponding properties and methods.

the the

Common Properties and methods for event objects (specifications)

Properties	Description	IE	Non-IE
Altkey	Returns whether "ALT" is pressed when the event is triggered.	Yes	Yes	Yes
button	Returns which mouse button is clicked when the event is triggered.	Yes	Yes	Yes
ClientX	Returns the horizontal coordinates of the mouse pointer when the event is triggered.	Yes	Yes	Yes
ClientY	Returns the vertical coordinate of the mouse pointer when the event is triggered.	Yes	Yes	Yes
Ctrlkey	Returns whether the "CTRL" key is pressed when the event is triggered.	Yes	Yes	Yes
Metakey	Returns whether the "meta" key is pressed when the event is triggered.	No	Yes	Yes
Relatedtarget	Returns the node associated with the target node of the event.	No	Yes	Yes
ScreenX	Returns the horizontal coordinates of the mouse pointer when an event is triggered.	Yes	Yes	Yes
ScreenY	Returns the vertical coordinate of the mouse pointer when an event is triggered.	Yes	Yes	Yes
Shiftkey	Returns whether the "SHIFT" key is pressed when the event is triggered.	Yes	Yes	Yes
Bubbles	Returns a Boolean value that indicates whether the event is a bubbling event type.	No	Yes	Yes
Cancelable	Returns a Boolean value that indicates whether the event can hold a default action that can be canceled.	No	Yes	Yes
Currenttarget	Returns the element whose event listener triggered the event.	No	Yes	Yes
Eventphase	Returns the current stage of event propagation.			Yes
Target	Returns the element that triggered this event (the target node of the event).	No	Yes	Yes
TimeStamp	Returns the date and time the event was generated.	No	Yes	Yes
Type	Returns the name of the event represented by the current event object.	Yes	Yes	Yes
Method	Description	IE	Non-IE
Initevent ()	Initializes the properties of the newly created Event object.	No	Yes	Yes
Preventdefault ()	Notifies the browser not to perform the default action associated with the event.	No	Yes	Yes
Stoppropagation ()	No more events are being dispatched.	No	Yes	Yes

In addition to the properties and methods specified in the above-mentioned specifications, IE browser supports the following properties.

properties of the event object (ie specific)

Properties	Description
Cancelbubble	This property must be set to TRUE if the event handle wants to prevent the event from propagating to the containment object.
Fromelement	For mouseover and Mouseout events, fromelement references the element that is moved out of the mouse.
KeyCode	For the KeyPress event, this property declares the Unicode character code generated by the key being struck. For the KeyDown and KeyUp events, it specifies the virtual keyboard code of the key being tapped. The virtual keyboard code may be related to the layout of the keyboard you are using.
Offsetx,offsety	The x-coordinate and y-coordinate of the location of the event that occurred in the coordinate system of the event source element.
ReturnValue	If this property is set, its value is higher than the return value of the event handle. By setting this property to Fasle, you can cancel the default action of the source element where the event occurred.
Srcelement	A reference to the Window object, Document object, or Element object that generated the event.
Toelement	For mouseover and Mouseout events, this property refers to the element that is moved into the mouse.
X, y	The X-and y-coordinates of the location where the event occurred, relative to the most inner containment element that is dynamically positioned with CSS.

JS Event Attribute Method list