js for json树

{
  "name": "Tech Corp",
  "departments": [
    {
      "name": "Engineering",
      "teams": [
        {
          "name": "Frontend",
          "members": ["Alice", "Bob"]
        },
        {
          "name": "Backend",
          "members": ["Charlie", "David"]
        }
      ]
    },
    {
      "name": "Marketing",
      "teams": [
        {
          "name": "Digital",
          "members": ["Eve", "Frank"]
        }
      ]
    }
  ]
}

function traverseJSONTree(node) {
  for (let key in node) {
    if (typeof node[key] === 'object') {
      traverseJSONTree(node[key]);
    } else {
      console.log(key + ': ' + node[key]);
    }
  }
}

// 使用示例
const company = {
  // ... 上面的JSON树数据 ...
};

traverseJSONTree(company);

function findInJSONTree(node, keyToFind, valueToFind) {
  for (let key in node) {
    if (key === keyToFind && node[key] === valueToFind) {
      return node;
    }
    if (typeof node[key] === 'object') {
      let result = findInJSONTree(node[key], keyToFind, valueToFind);
      if (result) return result;
    }
  }
  return null;
}

// 使用示例
const foundNode = findInJSONTree(company, 'name', 'Frontend');
console.log(foundNode);