数组对象去重

//数组去重
var list =[
    {
        id:10,
        name:"张三"
    },
    {
        id:11,
        name:"李四"
    },
    {
        id:11,
        name:"李四"
    },
    {
        id:10,
        name:"张三"
    },
]
var result = [];
var obj = {};
for (var i = 0; i < list.length; i++) {
   if (!obj[list[i].id]) {
        result.push(list[i]);
        obj[list[i].id] = true;
     }
 }
console.log(result)

//数组过滤(filter)
    test() {
      let arr = [
        {
          name: '张三',
          age: 23
        },
        {
          name: '李四',
          age: 18
        },
        {
          name: '老刘',
          age: 29
        }
      ]
// filter过滤
      let result = arr.filter(function(row) {
        return row.age > 23
      })
      console.log(result)
    }