proxy.onError
Fired when there is an error evaluating the PAC file or the onRequest
listener.
The error can be triggered by throwing or returning an invalid value in the proxy.onRequest event handler.
Syntax
browser.proxy.onError.addListener(listener)
browser.proxy.onError.removeListener(listener)
browser.proxy.onError.hasListener(listener)
Events have three functions:
addListener(listener)
- Adds a listener to this event.
removeListener(listener)
- Stop listening to this event. The
listener
argument is the listener to remove. hasListener(listener)
- Check whether
listener
is registered for this event. Returnstrue
if it is listening,false
otherwise.
addListener syntax
Parameters
callback
-
Function that will be called when this event occurs. The function will be passed the following arguments:
newState
Object
. An Error object representing the error.
Example extensions
Browser compatibility
Report problems with this compatibility data on GitHubwebextensions-desktop | webextensions-mobile | |||||
---|---|---|---|---|---|---|
onError | ChromeNo supportNo | EdgeNo supportNo | FirefoxFull support60
| OperaNo supportNo | SafariNo supportNo | Firefox for AndroidFull support60
|
Legend
- Full support
- Full support
- No support
- No support
- Uses a non-standard name.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.