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
EventHandler
representing the code to be called when theafterprint
event is raised. WindowEventHandlers.onbeforeprint
- Is an
EventHandler
representing the code to be called when thebeforeprint
event is raised. WindowEventHandlers.onbeforeunload
- Is an
EventHandler
representing the code to be called when thebeforeunload
event is raised. WindowEventHandlers.onhashchange
- Is an
EventHandler
representing the code to be called when thehashchange
event is raised. WindowEventHandlers.onlanguagechange
- Is an
EventHandler
representing the code to be called when thelanguagechange
event is raised. WindowEventHandlers.onmessage
- Is an
EventHandler
representing the code to be called when themessage
event is raised. WindowEventHandlers.onmessageerror
- Is an
EventHandler
representing the code to be called when theMessageError
event is raised. WindowEventHandlers.onoffline
- Is an
EventHandler
representing the code to be called when theoffline
event is raised. WindowEventHandlers.ononline
- Is an
EventHandler
representing the code to be called when theonline
event is raised. WindowEventHandlers.onpagehide
- Is an
EventHandler
representing the code to be called when thepagehide
event is raised. WindowEventHandlers.onpageshow
- Is an
EventHandler
representing the code to be called when thepageshow
event is raised. WindowEventHandlers.onpopstate
- Is an
EventHandler
representing the code to be called when thepopstate
event is raised. WindowEventHandlers.onrejectionhandled
- Is an
EventHandler
representing the code to be called when therejectionhandled
event is raised, indicating that aPromise
was rejected and the rejection has been handled. WindowEventHandlers.onstorage
- Is an
EventHandler
representing the code to be called when thestorage
event is raised. WindowEventHandlers.onunhandledrejection
- Is an
EventHandler
representing the code to be called when theunhandledrejection
event is raised, indicating that aPromise
was rejected but the rejection was not handled. WindowEventHandlers.onunload
- Is an
EventHandler
representing the code to be called when theunload
event is raised.
Methods
This interface defines no method.
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'WindowEventHandlers' in that specification. |
Living Standard | No change since the latest snapshot, HTML 5.1. |
HTML 5.1 The definition of 'WindowEventHandlers' in that specification. |
Recommendation | Snapshot of HTML Living Standard. Added onlanguage since the HTML5 snapshot. |
HTML5 The definition of 'WindowEventHandlers' in that specification. |
Recommendation | Snapshot of HTML Living Standard. Creation of WindowEventHandlers (properties where on the target before it). |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
WindowEventHandlers | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
onafterprint | Chrome Full support 63 | Edge Full support 12 | Firefox Full support 6 | IE Full support Yes | Opera Full support 50 | Safari Full support 13 | WebView Android Full support 63 | Chrome Android Full support 63 | Firefox Android ? | Opera Android Full support 46 | Safari iOS Full support 13 | Samsung Internet Android Full support 8.0 |
onbeforeprint | Chrome Full support 63 | Edge Full support 12 | Firefox Full support 6 | IE Full support Yes | Opera Full support 50 | Safari Full support 13 | WebView Android Full support 63 | Chrome Android Full support 63 | Firefox Android ? | Opera Android Full support 46 | Safari iOS Full support 13 | Samsung Internet Android Full support 8.0 |
onbeforeunload | Chrome Full support 1 | Edge Full support 12 | Firefox Full support 1 | IE Full support 4 | Opera Full support 12 | Safari Full support 3 | WebView Android Full support 1 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support 12 | Safari iOS Full support 1 | Samsung Internet Android Full support 1.0 |
onhashchange | Chrome Full support 5 | Edge Full support 12 | Firefox Full support 3.6 | IE Full support 8 | Opera Full support 10 | Safari Full support 5 | WebView Android Full support ≤37 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support 10.1 | Safari iOS Full support 5 | Samsung Internet Android Full support 1.0 |
onlanguagechange | Chrome Full support 37 | Edge Full support ≤79 | Firefox Full support 32 | IE No support No | Opera Full support 24 | Safari ? | WebView Android Full support 37 | Chrome Android Full support 37 | Firefox Android Full support 4 | Opera Android Full support 24 | Safari iOS ? | Samsung Internet Android Full support 4.0 |
onmessage | Chrome Full support 60 | Edge Full support ≤79 | Firefox ? | IE ? | Opera Full support 47 | Safari ? | WebView Android Full support 60 | Chrome Android Full support 60 | Firefox Android ? | Opera Android Full support 44 | Safari iOS ? | Samsung Internet Android Full support 8.0 |
onmessageerror | Chrome Full support 60 | Edge Full support ≤79 | Firefox Full support 57 | IE ? | Opera Full support 47 | Safari ? | WebView Android Full support 60 | Chrome Android Full support 60 | Firefox Android Full support 57 | Opera Android Full support 44 | Safari iOS ? | Samsung Internet Android Full support 8.0 |
onpopstate | Chrome Full support 5 | Edge Full support 12 | Firefox Full support 4 | IE Full support 10 | Opera Full support 11.5 | Safari Full support 6 | WebView Android Full support 37 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support 11.5 | Safari iOS Full support 5.1 | Samsung Internet Android Full support 1.0 |
onrejectionhandled | Chrome Full support 49 | Edge Full support ≤79 | Firefox
Full support
69
| IE No support No | Opera Full support 36 | Safari Full support 11 | WebView Android Full support 49 | Chrome Android Full support 49 | Firefox Android
Full support
68
| Opera Android No support No | Safari iOS Full support 11.3 | Samsung Internet Android Full support 5.0 |
onstorage | Chrome Full support 1 | Edge Full support ≤18 | Firefox Full support 45 | IE ? | Opera Full support 15 | Safari ? | WebView Android Full support ≤37 | Chrome Android Full support 18 | Firefox Android Full support 45 | Opera Android Full support 14 | Safari iOS ? | Samsung Internet Android Full support 1.0 |
onunhandledrejection | Chrome Full support 49 | Edge Full support ≤79 | Firefox
Full support
69
| IE No support No | Opera Full support 36 | Safari Full support 11 | WebView Android Full support 49 | Chrome Android Full support 49 | Firefox Android
Full support
68
| Opera Android No support No | Safari iOS Full support 11.3 | Samsung Internet Android Full support 5.0 |
onunload | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- See implementation notes.
- User must explicitly enable this feature.
- User must explicitly enable this feature.