去除数组中重复的对象

// 去除重复订单对象

var data=[
  {id:1,name:123},
  {id:1,name:123},
  {id:2,name:123},
  {id:2,name:123},
  {id:1,name:123}
]
        let hash = {};
        data =data.reduce((preVal, curVal) => {
          hash[curVal.id] ? '' : hash[curVal.id] = true && preVal.push(curVal);
          return preVal
        }, [])