 sampleObject = [     {       employeeId: 0,       employeeName: 'E0',       managerId: null     }, {       employeeId: 0,       employeeName: 'E0',       managerId: 0     }, {       employeeId: 0,       employeeName: 'E0',       managerId: 0     }, {       employeeId: 0,       employeeName: 'E0',       managerId: 0     } ]  