This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
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 |
|---|---|---|
| WHATWG 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 | ? | 32.0 (32.0) | No support | ? | ? |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | ? | ? | 32.0 (32.0) | No support | ? | ? |
languagechange event and its type, Event.
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https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onlanguagechange