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Non-standard
This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.

The mozbrowsererror event is fired when an error occurs while trying to load content within a browser <iframe>.

General info

Specification
Non standard
Interface
CustomEvent
Bubbles
Yes
Cancelable
Yes
Target
<iframe>
Default Action
None

Properties

Property Type Description
target Read only EventTarget The browser iframe
type Read only DOMString The type of event.
bubbles Read only Boolean Whether the event normally bubbles or not
cancelable Read only Boolean Whether the event is cancellable or not?
detail Read only object A custom object

detail

The detail property returns an anonymous JavaScript object with the following properties:

type
A DOMString representing the type of error that occurred. Possible values are:
  • fatal(crash)
  • unknownProtocolFound
  • fileNotFound
  • dnsNotFound
  • connectionFailure
  • netInterrupt
  • netTimeout
  • cspBlocked
  • phishingBlocked
  • malwareBlocked
  • unwantedBlocked
  • offline
  • malformedURI
  • redirectLoop
  • unknownSocketType
  • netReset
  • notCached
  • isprinting
  • deniedPortAccess
  • proxyResolveFailure
  • proxyConnectFailure
  • contentEncodingFailure
  • remoteXUL
  • unsafeContentType
  • corruptedContentError
  • certerror
  • other

Example

var browser = document.querySelector("iframe");

browser.addEventListener("mozbrowsererror", function( event ) {
  console.log("An error occurred:" + event.detail);
});

See also

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