WindowEventHandlers - Web API 接口参考 编辑

WindowEventHandlers mixin 描述了事件处理程序常见的一些公共接口 ，例如Window和 HTMLBodyElement 和 HTMLFrameSetElement等这些接口都实现了下列特定的事件处理程序。

WindowEventHandlers不是一个接口，没有这种类型的对象可以创建。

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 the afterprint event is raised.

WindowEventHandlers.onbeforeprint

Is an EventHandler representing the code to be called when the beforeprint event is raised.

WindowEventHandlers.onbeforeunload

Is an EventHandler representing the code to be called when the beforeunload event is raised.

WindowEventHandlers.onhashchange

Is an EventHandler representing the code to be called when the hashchange event is raised.

WindowEventHandlers.onlanguagechange

Is an EventHandler representing the code to be called when the languagechange event is raised.

WindowEventHandlers.onmessage

Is an EventHandler representing the code to be called when the message event is raised.

WindowEventHandlers.onoffline

Is an EventHandler representing the code to be called when the offline event is raised.

WindowEventHandlers.ononline

Is an EventHandler representing the code to be called when the online event is raised.

WindowEventHandlers.onpagehide

Is an EventHandler representing the code to be called when the pagehide event is raised.

WindowEventHandlers.onpageshow

Is an EventHandler representing the code to be called when the pageshow event is raised.

WindowEventHandlers.onpopstate

Is an EventHandler representing the code to be called when the popstate event is raised.

WindowEventHandlers.onstorage

Is an EventHandler representing the code to be called when the storage event is raised.

WindowEventHandlers.onunhandledrejection

An event handler for unhandled Promise rejection events.

WindowEventHandlers.onunload

Is an EventHandler representing the code to be called when the unload event is raised.

Methods

This interface defines no method.

Specifications

Specification	Status	Comment
HTML Living Standard GlobalEventHandlers	Living Standard	No change since the latest snapshot, HTML 5.1.
HTML 5.1 GlobalEventHandlers	Recommendation	Snapshot of HTML Living Standard. Added onlanguage since the HTML5 snapshot.
HTML5 GlobalEventHandlers	Recommendation	Snapshot of HTML Living Standard. Creation of WindowEventHandlers (properties where on the target before it).

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

Feature	Firefox (Gecko)	Chrome	Internet Explorer	Opera	Safari
Basic support	(Yes)	(Yes)	?	?	?
onhashchange	3.6 (1.9.2)	?	?	?	?
onlanguage	32 (32)	?	?	?	?
onstorage	45 (45)	?	?	?	?

Feature	Firefox Mobile (Gecko)	Android	IE Mobile	Opera Mobile	Safari Mobile
Basic support	(Yes)	?	?	?	?
onhashchange	1.0 (1.9.2)	?	?	?	?
onlanguage	32.0 (32)	?	?	?	?
onstorage	45 (45)	?	?	?	?

See also

• Window and WorkerGlobalScope