WindowEventHandlers
The WindowEventHandlers
mixin describes the event handlers common to several interfaces like Window
, or HTMLBodyElement
and HTMLFrameSetElement
. Each of these interfaces can implement additional specific event handlers.
Note: WindowEventHandlers
is a mixin and not an interface; you can't actually create an object of type WindowEventHandlers
.
Properties
The events properties, of the form onXYZ
, are defined on the WindowEventHandlers
, and implemented by Window
, and WorkerGlobalScope
for Web Workers.
WindowEventHandlers.onafterprint
-
Is an event handler representing the code to be called when the
afterprint
event is raised. WindowEventHandlers.onbeforeprint
-
Is an event handler representing the code to be called when the
beforeprint
event is raised. WindowEventHandlers.onbeforeunload
-
Is an event handler representing the code to be called when the
beforeunload
event is raised. WindowEventHandlers.onhashchange
-
Is an event handler representing the code to be called when the
hashchange
event is raised. -
WindowEventHandlers.onlanguagechange
-
Is an event handler representing the code to be called when the
languagechange
event is raised. WindowEventHandlers.onmessage
-
Is an event handler representing the code to be called when the
message
event is raised. WindowEventHandlers.onmessageerror
-
Is an event handler representing the code to be called when the
MessageError
event is raised. WindowEventHandlers.onoffline
-
Is an event handler representing the code to be called when the
offline
event is raised. WindowEventHandlers.ononline
-
Is an event handler representing the code to be called when the
online
event is raised. WindowEventHandlers.onpagehide
-
Is an event handler representing the code to be called when the
pagehide
event is raised. WindowEventHandlers.onpageshow
-
Is an event handler representing the code to be called when the
pageshow
event is raised. WindowEventHandlers.onpopstate
-
Is an event handler representing the code to be called when the
popstate
event is raised. WindowEventHandlers.onrejectionhandled
-
Is an event handler representing the code to be called when the
rejectionhandled
event is raised, indicating that aPromise
was rejected and the rejection has been handled. WindowEventHandlers.onstorage
-
Is an event handler representing the code to be called when the
storage
event is raised. WindowEventHandlers.onunhandledrejection
-
Is an event handler representing the code to be called when the
unhandledrejection
event is raised, indicating that aPromise
was rejected but the rejection was not handled. WindowEventHandlers.onunload
-
Is an event handler representing the code to be called when the
unload
event is raised.
Methods
This interface defines no method.
Specifications
Specification |
---|
HTML Standard (HTML) # windoweventhandlers |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
WindowEventHandlers |
1 |
12 |
1 |
4 |
≤12.1 |
3 |
1 |
18 |
4 |
≤12.1 |
1 |
1.0 |
onafterprint |
63 |
12 |
6 |
≤6 |
50 |
13 |
63 |
63 |
? |
46 |
13 |
8.0 |
onbeforeprint |
63 |
12 |
6 |
≤6 |
50 |
13 |
63 |
63 |
? |
46 |
13 |
8.0 |
onbeforeunload |
1 |
12 |
1 |
4 |
12 |
3 |
1 |
18 |
4 |
12 |
1 |
1.0 |
onhashchange |
5 |
12 |
3.6 |
8 |
10 |
5 |
≤37 |
18 |
4 |
10.1 |
5 |
1.0 |
onlanguagechange |
37 |
≤79 |
32 |
No |
24 |
10.1 |
37 |
37 |
4 |
24 |
10.3 |
4.0 |
onmessage |
60 |
12 |
9 |
8 |
47 |
4 |
60 |
60 |
9 |
44 |
4 |
8.0 |
onmessageerror |
60 |
18 |
57 |
No |
47 |
No
See bug 171216.
|
60 |
60 |
57 |
44 |
No
See bug 171216.
|
8.0 |
onpopstate |
5 |
12 |
4 |
10 |
11.5 |
5 |
37 |
18 |
4 |
11.5 |
4.2 |
1.0 |
onrejectionhandled |
49 |
≤79 |
69
68
55
This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 and enabled by default in Firefox 69.
|
No |
36 |
11 |
49 |
49 |
68
55
This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 but not enabled by default.
|
No |
11.3 |
5.0 |
onstorage |
1 |
15 |
45 |
9 |
15 |
4 |
≤37 |
18 |
45 |
14 |
4 |
1.0 |
onunhandledrejection |
49 |
79 |
69
68
55
This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 and enabled by default in Firefox 69.
|
No |
36 |
11 |
49 |
49 |
68
55
This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 but not enabled by default.
|
No |
11.3 |
5.0 |
onunload |
1 |
12 |
9 |
≤6 |
≤12.1 |
≤4 |
≤37 |
18 |
9 |
≤12.1 |
≤3 |
1.0 |
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers