jquery/api.jquery.com — pull request #538 by mattlunn (2014-07-23 19:03:05+00:00)
Title: documenting  that on() handler accepts .trigger() args #472

See #472 for the complete story. Basically;

1. Added `extraParameter` to the signature, and added further documentation as to how it works.
2. Added examples of using `on()` and `trigger()`.
3. Various tidyings

... all separated into separate commits.