原生分组方法

father::操作数组

father:: JavaScript

示例

const people = [
  { name: "Alice", age: 28 },
  { name: "Bob", age: 30 },
  { name: "Eve", age: 28 },
];
Object.groupBy(people)
//输出以下内容：
{
  "28": [{"name":"Alice","age":28}, {"name":"Eve","age":28}],
  "30": [{"name":"Bob","age":30}]
}