Sets or retrieves the mouse button pressed by the user.
event.button [ = iWhichButton ]
specifies or receives one of the following values.|
|0||Default. No button is pressed.|
|1||Left button is pressed.|
|2||Right button is pressed.|
|3||Left and right buttons are both pressed.|
|4||Middle button is pressed.|
|5||Left and middle buttons both are pressed.|
|6||Right and middle buttons are both pressed.|
|7||All three buttons are pressed.|
The property is read/write.
The property has a default value of
Expressions can be used in place of the preceding value(s), as of Microsoft® Internet Explorer 5. For more information, see About Dynamic Properties.
The property is read-only in Microsoft® Internet Explorer 4.0, and read/write in Internet Explorer 5 and later.
This property is used with the onmousedown, onmouseup, and onmousemove events. For other events, it defaults to 0 regardless of the state of the mouse buttons.
There is no public standard that applies to this property.