KcdMp.onError

Registers a function that is told of the page’s errors and of the game’s complaints about the page.

fn(error) is called with an Error for each uncaught script error and each unhandled promise rejection of the page, and for the game’s own complaints about it: when messages toward the page were dropped because more arrived at once than the game delivers (256 KB a second), the error’s code is "budget"; the other errors have no code. One handler that throws is logged and does not stop the rest.

Syntax

KcdMp.onError(fn)

Parameter	Type
fn	(error: Error) => void	called with each error

Returns

() => void - a function that takes the handler off again

Example

KcdMp.onError((error) => {
  if (error.code === "budget") {
    showBanner("The game could not keep up - some updates were skipped.");
  }
});

See also

KcdMp.log.error · the Logging and errors group of the index