从D3中获取JSON的最大值

{
  "name": "John",
  "age": 30,
  "city": "New York",
  "state": "NY",
  "salary": 60000
}

const jsonData = {
  "name": "John",
  "age": 30,
  "city": "New York",
  "state": "NY",
  "salary": 60000
};

const max = d3.max(jsonData);
console.log(max);

60000