Function extractElementNode

test/angular/1.7/angular-animate.js:138–146

(element)

}

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

function $$addClass($$jqLite, element, className) {
  forEach(element, function(elm) {