HTML 事件属性

HTML DOM 事件允许 JavaScript 在 HTML 文档中的元素上注册不同的事件处理程序。

事件通常与函数结合使用，并且在事件发生之前（例如当用户单击按钮时）不会执行函数。

有关事件的教程，请阅读我们的JavaScript 事件教程。

HTML DOM 事件属性

Property	Description	Belongs To
altKey	Returns whether the "ALT" key was pressed when the mouse event was triggered	MouseEvent
altKey	Returns whether the "ALT" key was pressed when the key event was triggered	KeyboardEvent, TouchEvent
animationName	Returns the name of the animation	AnimationEvent
bubbles	Returns whether or not a specific event is a bubbling event	Event
button	Returns which mouse button was pressed when the mouse event was triggered	MouseEvent
buttons	Returns which mouse buttons were pressed when the mouse event was triggered	MouseEvent
cancelable	Returns whether or not an event can have its default action prevented	Event
charCode	Deprecated (Avoid using it) Use the key property instead	KeyboardEvent
changeTouches	Returns a list of all the touch objects whose state changed between the previous touch and this touch	TouchEvent
clientX	Returns the horizontal coordinate of the mouse pointer, relative to the current window, when the mouse event was triggered	MouseEvent, TouchEvent
clientY	Returns the vertical coordinate of the mouse pointer, relative to the current window, when the mouse event was triggered	MouseEvent, TouchEvent
clipboardData	Returns an object containing the data affected by the clipboard operation	ClipboardData
code	Returns the code of the key that triggered the event	KeyboardEvent
composed	Returns whether the event is composed or not	Event
ctrlKey	Returns whether the "CTRL" key was pressed when the mouse event was triggered	MouseEvent
ctrlKey	Returns whether the "CTRL" key was pressed when the key event was triggered	KeyboardEvent, TouchEvent
currentTarget	Returns the element whose event listeners triggered the event	Event
data	Returns the inserted characters	InputEvent
dataTransfer	Returns an object containing the data being dragged/dropped, or inserted/deleted	DragEvent, InputEvent
defaultPrevented	Returns whether or not the preventDefault() method was called for the event	Event
deltaX	Returns the horizontal scroll amount of a mouse wheel (x-axis)	WheelEvent
deltaY	Returns the vertical scroll amount of a mouse wheel (y-axis)	WheelEvent
deltaZ	Returns the scroll amount of a mouse wheel for the z-axis	WheelEvent
deltaMode	Returns a number that represents the unit of measurements for delta values (pixels, lines or pages)	WheelEvent
detail	Returns a number that indicates how many times the mouse was clicked	UiEvent
elapsedTime	Returns the number of seconds an animation has been running	AnimationEvent
elapsedTime	Returns the number of seconds a transition has been running
eventPhase	Returns which phase of the event flow is currently being evaluated	Event
getModifierState()	Returns an array containing target ranges that will be affected by the insertion/deletion	MouseEvent
inputType	Returns the type of the change (i.e "inserting" or "deleting")	InputEvent
isComposing	Returns whether the state of the event is composing or not	InputEvent, KeyboardEvent
isTrusted	Returns whether or not an event is trusted	Event
key	Returns the key value of the key represented by the event	KeyboardEvent
key	Returns the key of the changed storage item	StorageEvent
keyCode	Deprecated (Avoid using it) Use the key property instead	KeyboardEvent
location	Returns the location of a key on the keyboard or device	KeyboardEvent
lengthComputable	Returns whether the length of the progress can be computable or not	ProgressEvent
loaded	Returns how much work has been loaded	ProgressEvent
metaKey	Returns whether the "META" key was pressed when an event was triggered	MouseEvent
metaKey	Returns whether the "meta" key was pressed when the key event was triggered	KeyboardEvent, TouchEvent
MovementX	Returns the horizontal coordinate of the mouse pointer relative to the position of the last mousemove event	MouseEvent
MovementY	Returns the vertical coordinate of the mouse pointer relative to the position of the last mousemove event	MouseEvent
newValue	Returns the new value of the changed storage item	StorageEvent
newURL	Returns the URL of the document, after the hash has been changed	HasChangeEvent
offsetX	Returns the horizontal coordinate of the mouse pointer relative to the position of the edge of the target element	MouseEvent
offsetY	Returns the vertical coordinate of the mouse pointer relative to the position of the edge of the target element	MouseEvent
oldValue	Returns the old value of the changed storage item	StorageEvent
oldURL	Returns the URL of the document, before the hash was changed	HasChangeEvent
onemptied	When something bad happens and the media file is suddenly unavailable (like unexpectedly disconnects)
pageX	Returns the horizontal coordinate of the mouse pointer, relative to the document, when the mouse event was triggered	MouseEvent
pageY	Returns the vertical coordinate of the mouse pointer, relative to the document, when the mouse event was triggered	MouseEvent
persisted	Returns whether the webpage was cached by the browser	PageTransitionEvent
propertyName	Returns the name of the CSS property associated with the animation or transition	AnimationEvent, TransitionEvent
pseudoElement	Returns the name of the pseudo-element of the animation or transition	AnimationEvent, TransitionEvent
region		MouseEvent
relatedTarget	Returns the element related to the element that triggered the mouse event	MouseEvent
relatedTarget	Returns the element related to the element that triggered the event	FocusEvent
repeat	Returns whether a key is being hold down repeatedly, or not	KeyboardEvent
screenX	Returns the horizontal coordinate of the mouse pointer, relative to the screen, when an event was triggered	MouseEvent
screenY	Returns the vertical coordinate of the mouse pointer, relative to the screen, when an event was triggered	MouseEvent
shiftKey	Returns whether the "SHIFT" key was pressed when an event was triggered	MouseEvent
shiftKey	Returns whether the "SHIFT" key was pressed when the key event was triggered	KeyboardEvent, TouchEvent
state	Returns an object containing a copy of the history entries	PopStateEvent
storageArea	Returns an object representing the affected storage object	StorageEvent
target	Returns the element that triggered the event	Event
targetTouches	Returns a list of all the touch objects that are in contact with the surface and where the touchstart event occured on the same target element as the current target element	TouchEvent
timeStamp	Returns the time (in milliseconds relative to the epoch) at which the event was created	Event
total	Returns the total amount of work that will be loaded	ProgressEvent
touches	Returns a list of all the touch objects that are currently in contact with the surface	TouchEvent
transitionend	A CSS transition has completed	TransitionEvent
type	Returns the name of the event	Event
url	Returns the URL of the changed item's document	StorageEvent
which	Deprecated (Avoid using it) Use the button property instead	MouseEvent
which	Deprecated (Avoid using it) Use the key property instead	KeyboardEvent
view	Returns a reference to the Window object where the event occurred	UiEvent
x	Alias for clientX	MouseEvent
y	Alias for clientY	MouseEvent