Function getCacheKey

test/angular/1.3/angular-animate.js:1756–1764

(element)

      }

      function getCacheKey(element) {
        var parentElement = element.parent();
        var parentID = parentElement.data(NG_ANIMATE_PARENT_KEY);
        if (!parentID) {
          parentElement.data(NG_ANIMATE_PARENT_KEY, ++parentCounter);
          parentID = parentCounter;
        }
        return parentID + '-' + extractElementNode(element).getAttribute('class');
      }

      function animateSetup(animationEvent, element, className, styles) {
        var structural = ['ng-enter','ng-leave','ng-move'].indexOf(className) >= 0;