This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The WindowEventHandlers.onlanguagechange event handler is a property containing the code to execute when the languagechange event, of type Event, is received by the object implementing this interface, usually a Window, an HTMLBodyElement, or an HTMLIFrameElement. Such an event is sent by the browser to inform that the preferred languages list has been updated. The list is accessible via NavigatorLanguage.languages.
object.onlanguagechange = function;
function is the name of a user-defined function, without the () suffix or any parameters, or an anonymous function declaration, such as function(event) {...}. An event handler always has one single parameter, containing the event, here of type Event.window.onlanguagechange = function(ev) { alert("languagechange event detected!"); };
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'WindowEventHandler.onlanguagechange' in that specification. | Living Standard | Initial specification. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | 37 | 32.0 (32.0) | No support | 24 | ? |
| Feature | Android Webview | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | 37 | 37 | 32.0 (32.0) | No support | 24 | ? |
languagechange event and its type, Event.
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https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onlanguagechange