languagechange

Experimental: 这是一个实验中的功能
此功能某些浏览器尚在开发中，请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订，所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

当用户首选语言更改时，将在全局范围对象上触发 languagechange 事件。

General info

Interface: Event
Bubbles: No
Cancelable: No
Target: The default window scope, being Window on Web pages and WorkerGlobalScope in Web Workers.
Default Action: None

Being of type Event, this event implements the properties of this interface.

Event.target 只读: Returns an EventTarget that is the topmost target in the DOM tree of the event.
Event.type 只读: Returns a DOMString representing the type of event, here "languagechange".
Event.bubbles只读: Returns a Boolean (en-US) indicating if the event normally bubbles or not.
Event.cancelable只读: Returns a Boolean (en-US) indicating if it is possible to cancel the event.

Specification
HTML Standard # event-languagechange
HTML Standard # handler-window-onlanguagechange

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