Object array de duplication

notdifferent(arr1){
    
            let kv = {
    };
            let arr = arr1.filter(function(obj) {
    
                console.log(obj)
                if (!kv[obj.id + ',' + obj.name]) {
    
                    kv[obj.id + ',' + obj.name] = true;
                    return obj;
                }
            })
            console.log(arr);
        }

searchPeopleData(item) {
    
      let vm = this;
      let existingPeople = vm.selectedPeopleArr.find(m => m.accountName === item.AccountName);
      if (!existingPeople) {
    
        vm.selectedPeopleArr.push({
    
          accountName: item.AccountName,
          name: item.Name
        })
      }
    },