{
  "type": "DocumentFragment",
  "span": {
    "start": 1,
    "end": 40,
    "ctxt": 0
  },
  "children": [
    {
      "type": "Element",
      "span": {
        "start": 1,
        "end": 32,
        "ctxt": 0
      },
      "tagName": "title",
      "namespace": "http://www.w3.org/1999/xhtml",
      "attributes": [],
      "children": [
        {
          "type": "Text",
          "span": {
            "start": 8,
            "end": 32,
            "ctxt": 0
          },
          "value": "setting head's innerHTML"
        }
      ],
      "content": null
    }
  ]
}