非标
此特征是非标准的，且不在标准轨道中。不要在面向 Web 的生产站点中使用它：它不适用于每个用户。实现之间可能存在大的不兼容性，且行为将来可能改变。
MouseEvent.mozInputSource
read-only property on
MouseEvent
provides information indicating the type of device that generated the event. 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).
var source = instanceOfMouseEvent.mozInputSource;
The following values are possible.
| Constant name | 值 | Desription |
|---|---|---|
MOZ_SOURCE_UNKNOWN
|
0 | The input device is unknown. |
MOZ_SOURCE_MOUSE
|
1 | The event was generated by a mouse (or mouse-like device). |
MOZ_SOURCE_PEN
|
2 | The event was generated by a pen on a tablet. |
MOZ_SOURCE_ERASER
|
3 | The event was generated by an eraser on a tablet. |
MOZ_SOURCE_CURSOR
|
4 | The event was generated by a cursor. |
MOZ_SOURCE_TOUCH
|
5 | The event was generated on a touch interface. |
MOZ_SOURCE_KEYBOARD
|
6 | The event was generated by a keyboard. |
Not part of any specification.
MouseEvent