{
  "node_id": "web-00d72f6ae86247949ad49fb72678c064",
  "keywords": [],
  "children": [
    {
      "Web不能承受之重": {
        "keywords": [],
        "children": [],
        "keywords_must": [],
        "keywords_forbid": [],
        "node_id": "web-19a639a5f5c64759becccb01c5b8ca14"
      }
    },
    {
      "本地存储升级": {
        "keywords": [],
        "children": [
          {
            "cookie和cookie的局限": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-d3ec5af670cc410193901f30393f47cb"
            }
          },
          {
            "来自HTML 5的Web Storage": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-23d70dc545df4d17b99d749d2555d243"
            }
          },
          {
            "IE的userData": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-4b01783c7e48479c83a4f12c62270737"
            }
          }
        ],
        "keywords_must": [],
        "keywords_forbid": [],
        "node_id": "web-059cc152e52f46a9abd3a1006fc20512"
      }
    },
    {
      "离线应用": {
        "keywords": [],
        "children": [
          {
            "缓存和应用缓存": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-5b3523845c3340a3aa1f315bed452760"
            }
          },
          {
            "应用缓存的基本使用": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-e47e00acf9f84b7595c59fb75b4e052e"
            }
          }
        ],
        "keywords_must": [],
        "keywords_forbid": [],
        "node_id": "web-c3d4e0b65e41485aa524505aeb3fb796"
      }
    },
    {
      "拖放": {
        "keywords": [],
        "children": [
          {
            "模拟拖放": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-362db0d360f44bb5a171bfd372a6e14d"
            }
          },
          {
            "原生拖放": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-71623d917dad4b3ca138318d787e72c4"
            }
          }
        ],
        "keywords_must": [],
        "keywords_forbid": [],
        "node_id": "web-c2470be4f47b4f01bb29fd8e953b741b"
      }
    },
    {
      "文件操作": {
        "keywords": [],
        "children": [
          {
            "选择文件": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-1d3a65ee9f7f495c99f3218a144ba0e0"
            }
          },
          {
            "操作文件": {
              "keywords": [],
              "children": [],
              "keywords_must": [],
              "keywords_forbid": [],
              "node_id": "web-22fce6f078e94390bba8ada1ced0c12d"
            }
          }
        ],
        "keywords_must": [],
        "keywords_forbid": [],
        "node_id": "web-6d1e89f8d5e0487ba89008d05d7853eb"
      }
    }
  ],
  "export": [],
  "keywords_must": [],
  "keywords_forbid": []
}