is there an easy way to detect the event when an accordion has expanded?
Wednesday, April 09, 2014 at 11:28 AM EST
Check out this Pen I made: http://codepen.io/winghouchan/pen/Lqfhw
This should get you on the right track. You will need to open up your Console as the script logs when Accordion is opened and closed.
Sorry, I don't quite get what you want.
The click immediately precedes the Accordion tab open/close. So detecting the click is probably the best way to detect if Accordion has opened or closed.
My use-case for accordion is that each of the DD has content with scrollable divs of sections. What I want to make sure is that when a DD is clicked and the content expands, the selected item in the div is scrolled into view. I can compute with scrollTop() to do that. However, the computation only works if the containing div is not hidden. That is the reason why I need a way to detect when the content of the DD becomes visible.
Detection of the click events as described in your Pen precedes the event when the content becomes visible. I cannot do the computation then as the content would still be hidden.
Thanks for you input!
Thank you for the giving the situation!
Yep, that's true.
I guess you could add a very short delay — that the user won't notice, maybe about 50ms — after the click event and before the computation starts.
Not sure if this would work but you could try it.
but it is not quite what I am looking for. Detecting the click like in your Pen only tells us when the dd elements in the accordion is about to open/close. What I am looking for is the detection of the event when the content actually becomes visible.
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