HTML DOM 事件

DOM 事件允许 JavaScript 添加事件监听器或者事件处理程序到 HTML 元素。

有关事件的教程，请阅读我们的 JavaScript 事件教程。

示例

在 HTML 中，onclick 是事件监听器，myFunction 是事件处理程序：

<button onclick="myFunction()">Click me</button>

在 JavaScript 中，click 是事件，myFunction 是事件处理程序：

button.addEventListener("click", myFunction);

Event	Occurs When	Belongs To
abort	The loading of a media is aborted	UiEvent, Event
afterprint	A page has started printing	Event
animationend	A CSS animation has completed	AnimationEvent
animationiteration	A CSS animation is repeated	AnimationEvent
animationstart	A CSS animation has started	AnimationEvent
beforeprint	A page is about to be printed	Event
beforeunload	Before a document is about to be unloaded	UiEvent, Event
blur	An element loses focus	FocusEvent
canplay	The browser can start playing a media (has buffered enough to begin)	Event
canplaythrough	The browser can play through a media without stopping for buffering	Event
change	The content of a form element has changed	Event
click	An element is clicked on	MouseEvent
contextmenu	An element is right-clicked to open a context menu	MouseEvent
copy	The content of an element is copied	ClipboardEvent
cut	The content of an element is cut	ClipboardEvent
dblclick	An element is double-clicked	MouseEvent
drag	An element is being dragged	DragEvent
dragend	Dragging of an element has ended	DragEvent
dragenter	A dragged element enters the drop target	DragEvent
dragleave	A dragged element leaves the drop target	DragEvent
dragover	A dragged element is over the drop target	DragEvent
dragstart	Dragging of an element has started	DragEvent
drop	A dragged element is dropped on the target	DragEvent
durationchange	The duration of a media is changed	Event
ended	A media has reach the end ("thanks for listening")	Event
error	An error has occurred while loading a file	ProgressEvent, UiEvent, Event
focus	An element gets focus	FocusEvent
focusin	An element is about to get focus	FocusEvent
focusout	An element is about to lose focus	FocusEvent
fullscreenchange	An element is displayed in fullscreen mode	Event
fullscreenerror	An element can not be displayed in fullscreen mode	Event
hashchange	There has been changes to the anchor part of a URL	HashChangeEvent
input	An element gets user input	InputEvent, Event
invalid	An element is invalid	Event
keydown	A key is down	KeyboardEvent
keypress	A key is pressed	KeyboardEvent
keyup	A key is released	KeyboardEvent
load	An object has loaded	UiEvent, Event
loadeddata	Media data is loaded	Event
loadedmetadata	Meta data (like dimensions and duration) are loaded	Event
loadstart	The browser starts looking for the specified media	ProgressEvent
message	A message is received through the event source	Event
mousedown	The mouse button is pressed over an element	MouseEvent
mouseenter	The pointer is moved onto an element	MouseEvent
mouseleave	The pointer is moved out of an element	MouseEvent
mousemove	The pointer is moved over an element	MouseEvent
mouseover	The pointer is moved onto an element	MouseEvent
mouseout	The pointer is moved out of an element	MouseEvent
mouseup	A user releases a mouse button over an element	MouseEvent
mousewheel	Deprecated. Use the wheel event instead	WheelEvent
offline	The browser starts working offline	Event
online	The browser starts working online	Event
open	A connection with the event source is opened	Event
pagehide	User navigates away from a webpage	PageTransitionEvent
pageshow	User navigates to a webpage	PageTransitionEvent
paste	Some content is pasted in an element	ClipboardEvent
pause	A media is paused	Event
play	The media has started or is no longer paused	Event
playing	The media is playing after being paused or buffered	Event
popstate	The window's history changes	PopStateEvent
progress	The browser is downloading media data	Event
ratechange	The playing speed of a media is changed	Event
resize	The document view is resized	UiEvent, Event
reset	A form is reset	Event
scroll	An scrollbar is being scrolled	UiEvent, Event
search	Something is written in a search field	Event
seeked	Skipping to a media position is finished	Event
seeking	Skipping to a media position is started	Event
select	User selects some text	UiEvent, Event
show	A <menu> element is shown as a context menu	Event
stalled	The browser is trying to get unavailable media data	Event
storage	A Web Storage area is updated	StorageEvent
submit	A form is submitted	Event
suspend	The browser is intentionally not getting media data	Event
timeupdate	The playing position has changed (the user moves to a different point in the media)	Event
toggle	The user opens or closes the <details> element	Event
touchcancel	The touch is interrupted	TouchEvent
touchend	A finger is removed from a touch screen	TouchEvent
touchmove	A finger is dragged across the screen	TouchEvent
touchstart	A finger is placed on a touch screen	TouchEvent
transitionend	A CSS transition has completed	TransitionEvent
unload	A page has unloaded	UiEvent, Event
volumechange	The volume of a media is changed (includes muting)	Event
waiting	A media is paused but is expected to resume (e.g. buffering)	Event
wheel	The mouse wheel rolls up or down over an element	WheelEvent