nsIDOMStorageEventObsolete
dom/interfaces/storage/nsidomstorageeventobsolete.idlscriptable this interface represents an event that occurs to notify interested parties about changes to the contents of a dom storage space; it is used for both session storage and local storage.
...you should use the nsidomstorageevent interface instead.
... method overview void initstorageevent(in domstring typearg, in boolean canbubblearg, in boolean cancelablearg, in domstring keyarg, in domstring oldvaluearg, in domstring newvaluearg, in domstring urlarg, in nsidomstorage storageareaarg); attributes attribute type description domain domstring the domain of the storage area which changed, or "#session" if the event represents a change to session storage.
...And 3 more matches

StorageEvent - Web APIs
a storageevent is sent to a window when a storage area it has access to is changed within the context of another document.
...75" height="50" fill="#fff" stroke="#d4dde4" stroke-width="2px" /><text x="38.5" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">event</text></a><polyline points="76,25 86,20 86,30 76,25" stroke="#d4dde4" fill="none"/><line x1="86" y1="25" x2="116" y2="25" stroke="#d4dde4"/><a xlink:href="/docs/web/api/storageevent" target="_top"><rect x="116" y="1" width="120" height="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="176" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">storageevent</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} method overview void initstoragee...
... methods initstorageevent() initializes the event in a manner analogous to the similarly-named initevent() method in the dom events interfaces.
...And 2 more matches

nsIDocShell
documenturi if a new storage object needs to be created, it will be created with a reference to this document.documenturi in its storageevent.
... documenturi if a new storage object needs to be created, it will be created with a reference to this document.documenturi in its storageevent.

Using the Web Storage API - Web APIs
we have also provided an event output page — if you load this page in another tab, then make changes to your choices in the landing page, you'll see the updated storage information outputted as a storageevent is fired.
... we've also included an onchange handler on each form element so that the data and styling are updated whenever a form value is changed: bgcolorform.onchange = populatestorage; fontform.onchange = populatestorage; imageform.onchange = populatestorage; responding to storage changes with the storageevent the storageevent is fired whenever a change is made to the storage object (note that this event is not fired for sessionstorage changes).

Web Storage API - Web APIs
a new item is stored.) storageevent the storage event is fired on a document's window object when a storage area changes.
... in addition, we have provided an event output page — if you load this page in another tab, then make changes to your choices in the landing page, you'll see the updated storage information outputted as the storageevent is fired.

Index
517 nsidomstorageeventobsolete gecko, interfaces, interfaces:scriptable, mozilla, xpcom, xpcom interface reference, globalstorage, localstorage, sessionstorage when a dom storage event is received, the recipient can check its domain attribute to determine which domain's data store has changed.

XPCOM Interface Reference
lmediaelementnsidomhtmlsourceelementnsidomhtmltimerangesnsidomjswindownsidommousescrolleventnsidommoznetworkstatsnsidommoznetworkstatsdatansidommoznetworkstatsmanagernsidommoztoucheventnsidomnshtmldocumentnsidomnavigatordesktopnotificationnsidomnodensidomofflineresourcelistnsidomorientationeventnsidomparsernsidomprogresseventnsidomserializernsidomsimplegestureeventnsidomstoragensidomstorage2nsidomstorageeventobsoletensidomstorageitemnsidomstoragelistnsidomstoragemanagernsidomstoragewindownsidomuserdatahandlernsidomwindownsidomwindow2nsidomwindowinternalnsidomwindowutilsnsidomxpathevaluatornsidomxpathexceptionnsidomxpathexpressionnsidomxpathresultnsidomxulcontrolelementnsidomxulelementnsidomxullabeledcontrolelementnsidomxulselectcontrolelementnsidomxulselectcontrolitemelementnsidatasignatureverifiernsi...

Event - Web APIs
gamepadevent hashchangeevent idbversionchangeevent inputevent keyboardevent mediastreamevent messageevent mouseevent mutationevent offlineaudiocompletionevent overconstrainederror pagetransitionevent paymentrequestupdateevent pointerevent popstateevent progressevent relatedevent rtcdatachannelevent rtcidentityerrorevent rtcidentityevent rtcpeerconnectioniceevent sensorevent storageevent svgevent svgzoomevent timeevent touchevent trackevent transitionevent uievent userproximityevent webglcontextevent wheelevent constructor event() creates an event object, returning it to the caller.

The HTML DOM API - Web APIs
storage storageevent web workers interfaces these interfaces are used by the web_workers_api both to establish the ability for workers to interact with an app and its content, but also to support messaging between windows or apps.

Index - Web APIs
4162 storageevent api, event, needsspectable, reference, storageevent, web storage api a storageevent is sent to a window when a storage area it has access to is changed within the context of another document.

Window: storage event - Web APIs
bubbles no cancelable no interface storageevent event handler property onstorage examples log the samplelist item to the console when the storage event fires: window.addeventlistener('storage', () => { // when local storage changes, dump the list to // the console.

WindowEventHandlers.onstorage - Web APIs
this function receives a storageevent as its sole argument.

Web APIs
list speechgrammar speechgrammarlist speechrecognition speechrecognitionalternative speechrecognitionerror speechrecognitionerrorevent speechrecognitionevent speechrecognitionresult speechrecognitionresultlist speechsynthesis speechsynthesiserrorevent speechsynthesisevent speechsynthesisutterance speechsynthesisvoice staticrange stereopannernode storage storageestimate storageevent storagemanager storagequota stylepropertymap stylepropertymapreadonly stylesheet stylesheetlist submitevent subtlecrypto syncevent syncmanager t taskattributiontiming text textdecoder textencoder textmetrics textrange texttrack texttrackcue texttracklist timeevent timeranges touch touchevent touchlist trackdefault trackdefaultlist trackevent transferable transformstream trans...

Event reference
storage storageevent web storage a storage area (localstorage or sessionstorage) has changed.