how to have a custom lookup component with create feature in aura.

Eg:
const obj ={
  x:[
    {
      name:"Aruna",
      Position:"3"
    },
    {
      name:"Sri",
      Position:"1"
      }
]
};

How should i perform sorting based on the position in javascript?
Any body please help me with this ...

Eg:
const obj ={
  x:[
    {
      name:"Aruna",
      Position:"3"
    },
    {
      name:"Sri",
      Position:"1"
      }
]
};

How to perform sorting based on position in JavaScript