In this question I found that using easing settings when toggling a div's visibility breaks the ability to determine the current state of the toggle.
In a jsFiddle I have these lines:
$(this).next('div.detailsTable').toggle('blind', 'easeInOutQuart', 300);
$(this).next('div.detailsTable').toggle();
With each of them commented out alternately, an if statement that checks ".is(':visible')" shows that the first line always shows false (not visible).
Looking in the console at the HTML, the display property (none or visible) never gets set on the div that is getting hidden/shown.
Go to the jsFiddle linked above and alternately comment out each of those lines and you'll see what I mean.
If you see something wrong in my code in the jsFiddle, let me know, otherwise, how can I get around this to be able to determine the toggle state so I can do something depending on each state?