Function extractFragment

06.Router/basic/js/vue.js:7806–7818

* Extract qualified content nodes from a node list. * * @param {NodeList} nodes * @return {DocumentFragment}

(nodes, parent)

   */

  function extractFragment(nodes, parent) {
    var frag = document.createDocumentFragment();
    nodes = toArray(nodes);
    for (var i = 0, l = nodes.length; i < l; i++) {
      var node = nodes[i];
      if (isTemplate(node) && !node.hasAttribute('v-if') && !node.hasAttribute('v-for')) {
        parent.removeChild(node);
        node = parseTemplate(node, true);
      }
      frag.appendChild(node);
    }
    return frag;
  }