angular2 tips sorting of dates

import {Component, OnInit, ViewChild} from '@angular/core';

import {Router} from "@angular/router";

import * as moment from 'moment';

@Component({

selector: 'app-pricing-info',

templateUrl: './pricing-info.component.html',

styleUrls: ['./pricing-info.component.scss']

})

export class PricingInfoComponent implements OnInit {

public data=[

{

"action": "UploadAndReviewImages",

"actionType": "Assigned",

"fieldName": "agentId",

"fieldValue": "JQD315",

"notes": "",

"images": [],

"modifiedBy": "JQD315",

"modifiedDateTime": "2017-08-09 09:30:21 CDT"

},

{

"action": "UploadAndReviewImages",

"actionType": "Assigned",

"fieldName": "agentId",

"fieldValue": "ECH716",

"notes": "",

"images": [],

"modifiedBy": "ECH716",

"modifiedDateTime": "2017-08-04 15:04:21 CDT"

},

{

"action": "UploadAndReviewImages",

"actionType": "Assigned",

"fieldName": "agentId",

"fieldValue": "RFV918",

"notes": "",

"images": [],

"modifiedBy": "RFV918",

"modifiedDateTime": "2017-08-04 08:23:07 CDT"

},

{

"action": "UploadAndReviewImages",

"actionType": "Created",

"fieldName": "",

"fieldValue": "",

"notes": "",

"images": [],

"modifiedBy": "eOscar",

"modifiedDateTime": "2017-07-27 12:05:47 CDT"

},

{

"action": "UploadAndReviewImages",

"actionType": "Assigned",

"fieldName": "agentId",

"fieldValue": "DGO491",

"notes": "",

"images": [],

"modifiedBy": "DGO491",

"modifiedDateTime": "2017-07-27 13:03:10 CDT"

},

{

"action": "UploadAndReviewImages",

"actionType": "Assigned",

"fieldName": "agentId",

"fieldValue": "FBG848",

"notes": "",

"images": [],

"modifiedBy": "FBG848",

"modifiedDateTime": "2017-07-27 15:17:34 CDT"

},

{

"action": "UploadAndReviewImages",

"actionType": "Assigned",

"fieldName": "agentId",

"fieldValue": "RFV918",

"notes": "",

"images": [],

"modifiedBy": "RFV918",

"modifiedDateTime": "2017-08-03 13:38:18 CDT"

},

{

"action": "UploadAndReviewImages",

"actionType": "Assigned",

"fieldName": "agentId",

"fieldValue": "KXE006",

"notes": "",

"images": [],

"modifiedBy": "KXE006",

"modifiedDateTime": "2017-08-03 14:36:01 CDT"

},

{

"action": "UploadAndReviewImages",

"actionType": "Update",

"fieldName": "Acknowledged",

"fieldValue": "true",

"notes": "No images found in e-oscar.",

"images": [],

"modifiedBy": "DGO491",

"modifiedDateTime": "2017-07-27 13:03:38 CDT"

}

];

constructor(public router:Router) {

}

sortAuditRecords() {

console.log(this.data);

this.data = this.data.sort(function (a, b) {

let dateformat = "YYYY-MM-DD HH:mm:ss";

let dateA:any = new Date(moment(a.modifiedDateTime, dateformat).format('MM/DD/YYYY HH:mm:ss'));

let dateB:any = new Date(moment(b.modifiedDateTime, dateformat).format('MM/DD/YYYY HH:mm:ss'));

let fData:any= dateB - dateA;

console.log("=====================");

console.log(a.modifiedDateTime);

console.log(b.modifiedDateTime);

console.log(dateA);

console.log(dateB);

console.log(fData);

console.log("=====================");

return fData;

});

console.log(this.data);

}

ngOnInit() {

this.sortAuditRecords();

}

}