restruct_array

restruct_array.js

let newCars = cars2.slice(0).sort( (a,b) => a.price - b.price )
                  .map( (item,index) => {
	                  item.position = index+1;
	                  delete item.colour;
	                  return item;
	                  } 
                  );

// RESULT IS
[
  {id:5,make:"McLaren",model:"New GT",price:203000,position:1},
  {id:9,make:"Lamborghini",model:"Huracan",price:206790,position:2},
  {id:2,make:"Ferrari",model:"F8 Spider",price:262000,position:3},
  {id:6,make:"Ferrari",model:"F8 Spider",price:262000,position:4},
  {id:10,make:"Bugatti",model:"Chiron Sport 110 ans",price:16000000,position:5}
]