Function progress

test/angular/1.3/angular-animate.js:730–732

()

          //operation is called right away. DO NOT REFACTOR!
          forEach(animations, function(animation, index) {
            var progress = function() {
              afterAnimationComplete(index);
            };
            switch (animation.event) {
              case 'setClass':
                cancellations.push(animation.fn(element, classNameAdd, classNameRemove, progress, options));