WindowEventHandlers

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.

WindowEventHandlers is a not an interface and no object of this type can be created.

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

Browser compatibility

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See also

• Window and WorkerGlobalScope