Add new properties to objects in the js array

js adds new properties to array objects

let goods_arr =[{
  id: 1,
  name: '生煎包'
},{

  id: 2,
  name: '蛋炒饭'
}]

let new_arr = goods_arr.map( item =>{
   return Object.assign(item,{isChecked: false})
})
console.log(new_arr)

[{
  id: 1,
  name: '生煎包',
  isChecked: false
},{

  id: 2,
  name: '蛋炒饭',
  isChecked: false
}]