var json=[{"autonum":"26","date":"2017-04-17","customer":"jad Rasul\r\n","address":"Washington, DC 20017","invoice":"20170412","sales":"450.00","paid":"0.00","owed":"450.00","tax":"0.00","misc":"2017-04-17 15:35:08","cust_id":"16","product":"Hourly Rate","description":"Business Rate: Consulting/Labor/Installs","cost":"150.00","quantity":"3","price":"450.00","timestamp":"2017-04-17 15:35:08"},{"autonum":"27","date":"2017-07-31","customer":"jad Rasul\r\n","address":"Washington, DC 20017","invoice":"20170731","sales":"300.00","paid":"0.00","owed":"300.00","tax":"0.00","misc":"2017-07-31 14:19:02","cust_id":"19","product":"Hourly Rate","description":"Business Rate: Consulting/Labor/Installs","cost":"150.00","quantity":"2","price":"300.00","timestamp":"2017-08-01 17:19:02"},{"autonum":"31","date":"2018-06-02","customer":"jad Rasul\r\n","address":"1160 Varnum Street\r\nSuite 114\r\nWashington, DC 20017\r\n\t\t\t","invoice":"20180611","sales":"300.00","paid":"0.00","owed":"300.00","tax":"0.00","misc":"2018-07-02 15:13:34","cust_id":"22","product":"Hourly Rate","description":"Business Rate: Consulting/Labor/Installs","cost":"150.00","quantity":"2","price":"300.00","timestamp":"2018-07-02 15:13:34"},{"autonum":"90","date":"2017-02-05","customer":"jad Rasul","address":"Washington, DC 20017","invoice":"20170205","sales":"450.00","paid":"150.00","owed":"300.00","tax":"2.00","misc":"2017-02-05 20:20:25","cust_id":"1","product":"Hourly Rate","description":"Business Rate: Consulting/Labor/Installs","cost":"150.00","quantity":"3","price":"450.00","timestamp":"2019-02-05 02:22:47"},{"autonum":"91","date":"2017-02-05","customer":"jad Rasul","address":"Washington, DC 20017","invoice":"20170205","sales":"300.00","paid":"50.00","owed":"250.00","tax":"2.00","misc":"2017-02-05 20:21:18","cust_id":"2","product":"Hourly Rate","description":"Business Rate: Consulting/Labor/Installs","cost":"150.00","quantity":"2","price":"300.00","timestamp":"2019-02-05 02:22:47"},{"autonum":"43","date":"2018-11-12","customer":"jad Rasul","address":"Washington, DC 20017\r\n\t\t\t","invoice":"20181024","sales":"893.00","paid":"300.00","owed":"593.00","tax":"0.00","misc":"2018-11-12 18:32:13","cust_id":"27","product":"Win10-key","description":"OEM Windows 10 Home, 64-Bit, 1-Pack, DVD","cost":"98.99","quantity":"1","price":"98.99","timestamp":"2018-11-12 18:32:13"},{"autonum":"89","date":"2019-02-25","customer":"jad Rasul","address":"Washington, DC 20017\r\nSuite 114","invoice":"20190225","sales":"375.00","paid":"0.00","owed":"375.00","tax":"0.00","misc":"2019-02-26 02:22:47","cust_id":"56","product":"Hourly Rate","description":"Commercial Rate - troubleshoot and repair network after Comc","cost":"150.00","quantity":"3","price":"375.00","timestamp":"2019-02-26 02:22:47"},{"autonum":"33","date":"2018-09-02","customer":"Potomac\r\n","address":"Damascus, MD 20872\t\t\t","invoice":"20180902","sales":"467.00","paid":"0.00","owed":"467.00","tax":"0.00","misc":"2018-09-02 22:44:09","cust_id":"23","product":"Hourly Rate","description":"Commercial Camera Installation / Mount / Seal","cost":"150.00","quantity":"2","price":"300.00","timestamp":"2018-09-02 22:44:09"},{"autonum":"30","date":"2017-08-14","customer":"Ann Frank\r\n","address":"Ellicott City, MD 21043\r\n\r\n\t\t\t","invoice":"20170814","sales":"350.00","paid":"0.00","owed":"350.00","tax":"0.00","misc":"2017-08-14 17:56:52","cust_id":"21","product":"Hourly Rate","description":"Residential Rate: Labor/Installs: 6 Kidde i12010S 10 year sm","cost":"350.00","quantity":"1","price":"350.00","timestamp":"2017-08-14 17:56:52"},{"autonum":"21","date":"2017-03-22","customer":"Bikes Music\r\n","address":"Mery Station","invoice":"20160929","sales":"2416.00","paid":"1000.00","owed":"1416.00","tax":"0.00","misc":"2017-03-22 19:51:00","cust_id":"15","product":"Home Depot","description":"Home Depot Supplies for Shelf/mounts/braces/paint.","cost":"128.50","quantity":"1","price":"128.50","timestamp":"2017-03-22 19:51:00"},{"autonum":"83","date":"2019-02-07","customer":"Bikes Music","address":"Mery Station","invoice":"20190207","sales":"95.00","paid":"0.00","owed":"95.00","tax":"0.00","misc":"2019-02-15 20:57:54","cust_id":"50","product":"Hourly Rate","description":"Residential Rate: Consulting/Labor/Installs","cost":"95.00","quantity":"1","price":"95.00","timestamp":"2019-02-15 20:57:54"}]
json.sort(( a, b ) =>
a.customer.localeCompare(b.customer) || +a.invoice - +b.invoice
);
console.log(json);