[JavaScript] 配列から特定の値の配列を探す[ウンコード有り！]

let array = [{id: 1}, {id: 2}, {...}, ...]

let targetItem = array.filter((item, index) => {
  if (item.id === this.id) {
    return item
  }
})

let targetItem = array.filter( item => item.id === this.id );

const targetItem = array.find(item => item.id === id);