Re-center Modal Popup with Javascript

Question

I have a modal popup that initially shows some content but expands a div if a checkbox is selected. The modal expands correctly but doesn\'t recenter unless you scroll up or

Answer 1

Whatever event you have bound to the scrolling to get it to re-center, bind that event to the checkbox/div expanding event as well (or call it from within the other event). Hard to say more without seeing some code.