当指针设备( 通常指鼠标 )在元素上移动时, mousemove 事件被触发。
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
| 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.