Events

This section is non-normative.

List of events
Event	Interface	Interesting targets	Description
`abort`	{{Event}}	{{Window}}	Fired at the {{Window}} when the download was aborted by the user
`DOMContentLoaded`	{{Event}}	{{Document}}	Fired at the {{Document}} once the parser has finished
`afterprint`	{{Event}}	{{Window}}	Fired at the {{Window}} after printing
`afterscriptexecute`	{{Event}}	<{script}> elements	Fired at <{script}> elements after the script runs (just before the corresponding `load` event)
`beforeprint`	{{Event}}	{{Window}}	Fired at the {{Window}} before printing
`beforescriptexecute`	{{Event}}	<{script}> elements	Fired at <{script}> elements just before the script runs; canceling the event cancels the running of the script
`beforeunload`	{{BeforeUnloadEvent}}	{{Window}}	Fired at the {{Window}} when the page is about to be unloaded, in case the page would like to show a warning prompt
`blur`	{{Event}}	{{Window}}, elements	Fired at nodes losing focus
`cancel`	{{Event}}	<{dialog}> elements	Fired at <{dialog}> elements when they are canceled by the user (e.g., by pressing the Escape key)
`change`	{{Event}}	Form controls	Fired at controls when the user commits a value change (see also the `input` event)
`click`	{{MouseEvent}}	Elements	Normally a mouse event; also synthetically fired at an element before its activation behavior is run, when an element is activated from a non-pointer input device (e.g., a keyboard)
`close`	{{Event}}	<{dialog}> elements, `WebSocket`	Fired at `dialog` elements when they are closed, and at `WebSocket` elements when the connection is terminated
`copy`	{{Event}}	Elements	Fired at elements when the user copies data to the clipboard
`cut`	{{Event}}	Elements	Fired at elements when the user copies the selected data on the clipboard and removes the selection from the document
`error`	{{Event}}	Global scope objects, {{Worker}} objects, elements, networking-related objects	Fired when unexpected errors occur (e.g., networking errors, script errors, decoding errors)
`focus`	{{Event}}	{{Window}}, elements	Fired at nodes gaining focus
`focusin`	{{Event}}	{{Window}}, elements	Fired at nodes gaining focus
`focusout`	{{Event}}	{{Window}}, elements	Fired at nodes losing focus
`hashchange`	{{HashChangeEvent}}	{{Window}}	Fired at the {{Window}} when the fragment part of the document's [=Document/URL=] changes
`input`	{{Event}}	Form controls	Fired at controls when the user changes the value (see also the `change` event)
`invalid`	{{Event}}	Form controls	Fired at controls during form validation if they do not satisfy their constraints
`languagechange`	{{Event}}	Global scope objects	Fired at the global scope object when the user's preferred languages change
`load`	{{Event}}	{{Window}}, elements	Fired at the {{Window}} when the document has finished loading; fired at an element containing a resource (e.g., <{img}>, <{embed}>) when its resource has finished loading
`loadend`	{{Event}} or {{ProgressEvent}}	<{img}> elements	Fired at <{img}> elements after a successful load (see also media element events)
`loadstart`	{{ProgressEvent}}	<{img}> elements	Fired at <{img}> elements when a load begins (see also media element events)
`message`	`MessageEvent`	{{Window}}, `EventSource`, `WebSocket`, `MessagePort`, `BroadcastChannel`, `DedicatedWorkerGlobalScope`, {{Worker}}	Fired at an object when it receives a message
`offline`	{{Event}}	Global scope objects	Fired at the global scope object when the network connections fails
`online`	{{Event}}	Global scope objects	Fired at the global scope object when the network connections returns
`open`	{{Event}}	`EventSource`, `WebSocket`	Fired at networking-related objects when a connection is established
`pagehide`	{{PageTransitionEvent}}	{{Window}}	Fired at the {{Window}} when the page's entry in the session history stops being the current entry
`pageshow`	{{PageTransitionEvent}}	{{Window}}	Fired at the {{Window}} when the page's entry in the session history becomes the current entry
`paste`	{{Event}}	Elements	Fired at elements when the user will insert the clipboard data in the most suitable format (if any) supported for the given context
`popstate`	{{PopStateEvent}}	{{Window}}	Fired at the {{Window}} when the user navigates the session history
`progress`	{{ProgressEvent}}	<{img}> elements	Fired at <{img}> elements during a CORS-same-origin image load (see also media element events)
{{global/readystatechange}}	{{Event}}	{{Document}}	Fired at the {{Document}} when it finishes parsing and again when all its subresources have finished loading
`reset`	{{Event}}	<{form}> elements	Fired at a <{form}> element when it is reset
`select`	{{Event}}	Form controls	Fired at form controls when their text selection is adjusted (whether by an API or by the user)
`storage`	`StorageEvent`	{{Window}}	Fired at {{Window}} event when the corresponding `localStorage` or `sessionStorage` storage areas change
`submit`	{{Event}}	<{form}> elements	Fired at a <{form}> element when it is submitted
`toggle`	{{Event}}	<{details}> element	Fired at <{details}> elements when they open or close
`unload`	{{Event}}	{{Window}}	Fired at the {{Window}} object when the page is going away