In jqm 1.4 is it possible to change data-theme dynamically wihout having to do .removeClass .addClass

In jqm 1.4 is it possible to change data-theme dynamically wihout having to do .removeClass .addClass

Have had issues trying to dynamically change data-theme dynamically.
it updates the html
and I have tried the 
using .listview('refresh') and li element .trigger('mouseout'), but still I see no visual changes in styling.