How to remove the active class of button on iOS

How to remove the active class of button on iOS

Hi,
I am using JqueryMobile-1.3.0 and cordova-2.1.0 for iOS app. When I click on button then its color gets changed,but I want to make it normal after the onclick event get completed,I tried using

    $('#clearButton').removeClass('ui-btn-active'); but its not working.