Record.group

The group function groups (hierarchizes) records based on the specified fields within a Record.

Sample

var ary=[
	{"x":"a1","y":"b1","z":"c1"},
	{"x":"a1","y":"b1","z":"c2"},
	{"x":"a1","y":"b2","z":"c3"},
	{"x":"a2","y":"b2","z":"c4"},
	{"x":"a2","y":"b3","z":"c5"},
	{"x":"a2","y":"b3","z":"c6"},
];
var obj=new Record(ary).group("x","y");
/*
obj is the next
{"a1":{"b1":[{"z":"c1"},
             {"z":"c2"}
            ],
       "b2":[{"z":"c3"}]
      },
 "a2":{"b2":[{"z":"c4"}],
       "b3":[{"z":"c5"},
             {"z":"c6"}
            ]
      }
}
*/

API

Calling	Returning
`record. group ( key1, key2,... )`	`Object`

Parameters	Type	Description
`key`	`String`	The field name.