"push" in Angualr

i am getting result as disabled: false end_date: "07-01-2018 00:00:00" end_date_ts: 1515283200 selected: false start_date: "01-01-2018 00:00:00" start_date_ts: 1514764800 week_name: "01 Jan 2018 to 07 Jan 2018" week_number: "01"

if i select mutiple i want to push as array in angular how?