The error handler is executed when an error caused a request to fail.
General info
- Specification
- IndexedDB
- Interface
- Event
- Bubbles
- Yes
- Cancelable
- No
- Target
- IDBRequest
- Default Action
- None
Properties
| Property | Type | Description | 
|---|---|---|
| targetRead only | EventTarget | The request concerned by this event | 
| typeRead only | DOMString | The type of event. | 
| bubblesRead only | boolean | Does the event normally bubble? | 
| cancelableRead only | boolean | Is it possible to cancel the event? | 
Example
var request = indexedDB.open("addressbook", 3);
// using the onsuccess handler to access a database, once open
request.onerror = function( event ) {
  var errorName = event.target.error.name;
}
// which is equivalent to
request.addEventListener("error", function( event ) {
  var errorName = event.target.error.name;
});