jquery.preparetransition.min.js

(function(a){a.fn.prepareTransition=function(){var b=["transition-duration","-moz-transition-duration","-webkit-transition-duration","-o-transition-duration"];return this.each(function(){var d=a(this),c=0;a.each(b,function(e,f){c=parseFloat(d.css(f))||c});if(c!==0){d.addClass("transitioning").one("TransitionEnd webkitTransitionEnd transitionend oTransitionEnd",function(){d.removeClass("transitioning")}).width()}})}}(jQuery));