versionchange

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The versionchange handler is executed when a versionchange transaction completed.

General info

Specification
IndexedDB
Interface
Event
Bubbles
No
Cancelable
No
Target
IDBTransaction
Default Action
None

Properties

Property Type Description
target Read only EventTarget The request concerned by this event
type Read only DOMString The type of event.
bubbles Read only boolean Does the event normally bubble?
cancelable Read only boolean Is it possible to cancel the event?
newVersion Read only unsigned long (int) The new version of the database.
oldVersion Read only unsigned long (int) The old version of the database.

Example

var transaction = db.transaction(["customers"], IDBTransaction.versionchange);

transaction.onversionchange = function( event ) {
  ...
}

// which is equivalent to
transaction.addEventListener("versionchange", function( event ) {
  ...
});

See also

Document Tags and Contributors

Contributors to this page: Sheppy, ethertank, louisremi
最近更新: Sheppy,