{
  "node_id": "569d5e11c4fc5de7844053d9a733c5e8",
  "keywords": [],
  "children": [
    {
      "原始类型的方法": {
        "keywords": [],
        "children": []
      }
    },
    {
      "数字类型": {
        "keywords": [],
        "children": []
      }
    },
    {
      "字符串": {
        "keywords": [],
        "children": []
      }
    },
    {
      "数组": {
        "keywords": [],
        "children": []
      }
    },
    {
      "数组方法": {
        "keywords": [],
        "children": []
      }
    },
    {
      "Iterable object（可迭代对象）": {
        "keywords": [],
        "children": []
      }
    },
    {
      "Map and Set（映射和集合）": {
        "keywords": [],
        "children": []
      }
    },
    {
      "WeakMap and WeakSet（弱映射和弱集合）": {
        "keywords": [],
        "children": []
      }
    },
    {
      "Object.keys、values、entries": {
        "keywords": [],
        "children": []
      }
    },
    {
      "解构赋值": {
        "keywords": [],
        "children": []
      }
    },
    {
      "日期和时间": {
        "keywords": [],
        "children": []
      }
    },
    {
      "JSON序列化、反序列化": {
        "keywords": [],
        "children": []
      }
    }
  ],
  "export": []
}