Here's my scenario...
I'm trying to track down and if needs be fire the event manually.

Visual Event says there's a "change" event on select#Size.single-option-selector. If I click trigger event it works as expected.
If I try and do
$('select#Size.single-option-selector').change(); or $('select#Size.single-option-selector').trigger('change');
it does nothing, so I need to figure out exactly what that "trigger event" is doing so I can manually do the same thing