1. August 20th, 2007 by Angsuman Chakraborty ExtJS ComboBox doesnt advertise, in its documentation, any way to get the selected index of a ComboBox. Looking at the code I realized we can use the undocumented property selectedIndex. However there is a catch. ComboBox.reset() doesnt set the selectedIndex to -1, which it should. So whenever you use selectedIndex, remember to reset it manually after reset(). Otherwise it will return stale value (Read Full Article)
   
   

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