Function extractElementNode

test/angular/1.3/angular-animate.js:464–471

(element)

    var rootAnimateState = {running: true};

    function extractElementNode(element) {
      for (var i = 0; i < element.length; i++) {
        var elm = element[i];
        if (elm.nodeType == ELEMENT_NODE) {
          return elm;
        }
      }
    }

    function prepareElement(element) {
      return element && angular.element(element);