Element: compositionupdate event - Web APIs
the compositionupdate event is fired when a new character is received in the context of a text composition session controlled by a text composition system such as an input method editor.
... bubbles yes cancelable yes interface compositionevent event handler property none examples const inputelement = document.queryselector('input[type="text"]'); inputelement.addeventlistener('compositionupdate', (event) => { console.log(`generated characters were: ${event.data}`); }); live example html <div class="control"> <label for="name">on macos, click in the textbox below,<br> then type <kbd>option</kbd> + <kbd>`</kbd>, then <kbd>a</kbd>:</label> <input type="text" id="example" name="example"> </div> <div class="event-log"> <label>event log:</label> <textarea readonly class="event-log-contents" rows="8" cols="25"></textarea>...
...const log = document.queryselector('.event-log-contents'); const clearlog = document.queryselector('.clear-log'); clearlog.addeventlistener('click', () => { log.textcontent = ''; }); function handleevent(event) { log.textcontent = log.textcontent + `${event.type}: ${event.data}\n`; } inputelement.addeventlistener('compositionstart', handleevent); inputelement.addeventlistener('compositionupdate', handleevent); inputelement.addeventlistener('compositionend', handleevent); result specifications specification status ui events working draft ...

ServiceWorkerRegistration.onupdatefound - Web APIs
the onupdatefound property of the serviceworkerregistration interface is an eventlistener property called whenever an event of type statechange is fired; it is fired any time the serviceworkerregistration.installing property acquires a new service worker.
... syntax serviceworkerregistration.onupdatefound = function() { ...
... }; specifications specification status comment service workersthe definition of 'serviceworkerregistration.onupdatefound' in that specification.

AddonUpdateChecker
the addonupdatechecker is used to download and parse update information for an add-on's update manifest.
... to import the addonupdatechecker, use: components.utils.import("resource://gre/modules/addonupdatechecker.jsm"); method overview updateinfo getcompatibilityupdate(in updateinfo updates[], in string version, in boolean ignorecompatibility, in string appversion, in string platformversion) updateinfo getnewestcompatibleupdate(in updateinfo updates[], in string appversion, in string platformversion) void checkforupdates(in string id, in string type, in string updatekey, string url, in updatechecklistener listener) constants constant description error_timeout the update check timed out.

IME handling guide
ecompositionupdate this is dispatched by textcomposition when an ecompoitionchange will change the composition string.
... this represents a dom compositionupdate event.
... mranges representing dom event ecompositionstart selected string before starting composition textcomposition nullptr compositionstart ecompositionupdate new composition string textcomposition nullptr compositionupdate ecompositionend commit string textcomposition nullptr compositionend ecompositionchange new composition string widget (or textcomposition) must not be nullptr text ecompositioncommitasis n/a (must be empty) nobody nullptr none ecompositioncommit c...
...And 8 more matches

UpdateListener
either onupdateavailable() or onnoupdateavailable(), depending on whether a newer version of the addon was found.
... onupdatefinished() to signal that the update check has completed.
... method overview void oncompatibilityupdateavailable(in addon addon) void onnocompatibilityupdateavailable(in addon addon) void onupdateavailable(in addon addon, in addoninstall install) void onnoupdateavailable(in addon addon) void onupdatefinished(in addon addon, in integer error) methods oncompatibilityupdateavailable() called when the update check found compatibility information for the application and platform version that the update check was being performed for.
...And 4 more matches

SourceBuffer - Web APIs
sourcebuffer.onupdate fired whenever sourcebuffer.appendbuffer() method or the sourcebuffer.remove() completes.
...this event is fired before onupdateend.
... sourcebuffer.onupdateend fired whenever sourcebuffer.appendbuffer() method or the sourcebuffer.remove() has ended.
...And 2 more matches

UpdateCheckListener
updatechecklisteners are passed the results of update checks performed by the addonupdatechecker.
... method overview void onupdatecheckcomplete(in updateinfo results[]) void onupdatecheckerror(in integer status) methods onupdatecheckcomplete() called when the update check completed successfully.
... void onupdatecheckcomplete( in updateinfo results[] ) parameters results an array of updateinfo objects representing the available add-on versions onupdatecheckerror() called when the update check fails.
... void onupdatecheckerror( in integer status ) parameters status a value representing the type of failure; see the range of possible values.

nsIDOMWindowUtils
or "compositionupdate".
... obsolete since gecko 35 note that, since gecko 35, specifying "compositionupdate" isn't fired anything.
... instead, compositionupdate event is fired automatically when it should be fired.
...both compositionupdate event and compositionend event are fired automatically if they are necessary.

nsIAutoCompleteObserver
inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) method overview void onsearchresult(in nsiautocompletesearch search, in nsiautocompleteresult result); void onupdatesearchresult(in nsiautocompletesearch search, in nsiautocompleteresult result); methods onsearchresult() called when a search is complete and the results are ready.
... onupdatesearchresult() called to update with new results.
... void onupdatesearchresult( in nsiautocompletesearch search, in nsiautocompleteresult result ); parameters search the search object that processed this search.

nsIGeolocationProvider
the nsigeolocationprovider interface provides information about the current users location to interested parties via nsigeolocationupdate.
...method overview boolean isready(); obsolete since gecko 1.9.2 void shutdown(); void startup(); void watch(in nsigeolocationupdate callback); methods isready() obsolete since gecko 1.9.2 (firefox 3.6 / thunderbird 3.1 / fennec 1.0) reports whether or not the device is ready and has a position.
...void watch( in nsigeolocationupdate callback ); parameters callback an nsigeolocationupdate to be notified when position changes.

Application cache implementation overview
when the manifest is identical, the cache is activated, onupdateready event is invoked and the update 'finishes'.
...finished state is set when updated is 'finished' and is the last state the update transits to after invoking one of the final dom notifications (onnoupdate, onupdaterady or onerror.) ...

Index
335 nsiapplicationupdateservice interfaces, interfaces:scriptable, update service, xpcom, xpcom api reference, xpcom interface reference adds a listener that receives progress and state information about the update that is currently being downloaded.
... 672 nsigeolocationupdate dom, geolocation, interfaces, interfaces:scriptable, xpcom, xpcom interface reference interface provides a way for a geolocation provider to notify the system that a new location is available.

XPCOM Interface Reference
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