mousemove

当用户通过定位设备(一般为鼠标)拖动一个元素的时候，会激发mousemove事件。

基本信息

规范

DOM L3

接口

MouseEvent

可冒泡

Yes

可取消

Yes

目标对象

Element

默认行为

None

属性

任何描述为“Read only”的属性意味着用户不能改变。

Property	Type	Description
target 只读	EventTarget	The event target (the topmost target in the DOM tree).
type 只读	DOMString	The type of event.
bubbles 只读	Boolean	Whether the event normally bubbles or not
cancelable 只读	Boolean	Whether the event is cancellable or not?
view 只读	WindowProxy	document.defaultView (window of the document)
detail 只读	long (float)	0.
currentTarget 只读	EventTarget	The node that had the event listener attached.
relatedTarget 只读	EventTarget	For mouseover, mouseout, mouseenter and mouseleave events: the target of the complementary event (the mouseleave target in the case of a mouseenter event). null otherwise.
screenX 只读	long	The X coordinate of the mouse pointer in global (screen) coordinates.
screenY 只读	long	The Y coordinate of the mouse pointer in global (screen) coordinates.
clientX 只读	long	The X coordinate of the mouse pointer in local (DOM content) coordinates.
clientY 只读	long	The Y coordinate of the mouse pointer in local (DOM content) coordinates.
button 只读	unsigned short	The button number that was pressed when the mouse event was fired: Left button=0, middle button=1 (if present), right button=2. For mice configured for left handed use in which the button actions are reversed the values are instead read from right to left.
buttons 只读	unsigned short	The buttons being pressed when the mouse event was fired: Left button=1, Right button=2, Middle (wheel) button=4, 4th button (typically, "Browser Back" button)=8, 5th button (typically, "Browser Forward" button)=16. If two or more buttons are pressed, returns the logical sum of the values. E.g., if Left button and Right button are pressed, returns 3 (=1 | 2). More info.
mozPressure 只读	float	The amount of pressure applied to a touch or tabdevice when generating the event; this value ranges between 0.0 (minimum pressure) and 1.0 (maximum pressure).
ctrlKey 只读	boolean	true if the control key was down when the event was fired. false otherwise.
shiftKey 只读	boolean	true if the shift key was down when the event was fired. false otherwise.
altKey 只读	boolean	true if the alt key was down when the event was fired. false otherwise.
metaKey 只读	boolean	true if the meta key was down when the event was fired. false otherwise.

浏览器兼容性

• Desktop
• Mobile

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Edge	Opera	Safari
Basic support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)
On disabled form elements	(Yes)[1]	(Yes)	(Yes)	未实现	(Yes)[1]	?

Feature	Android	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	?	?	?	?	?
On disabled form elements	?	?	?	?	?

[1] 只对 <textarea> 元素 和 某些 <input> 类型的元素起作用.

See also

• mousedown
• mouseup
• mousemove
• click
• dblclick
• mouseover
• mouseout
• mouseenter
• mouseleave
• contextmenu