how to compre between two object vertically

Question

I work on angular 7 I have array of two object json inside app.component.ts

 

I need to compare between two object but i need to display compare vertically .

 

this link have json array and sample

 

code I try as below : 

 

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

@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {
  private ldapcaches = [
    { "id": 1, "host": "localhost", "filesize": 73, "fileage": "2018-01-26 09:26:40" },
    { "id": 2, "host": "localhost", "filesize": 21, "fileage": "2018-01-26 09:26:32" },
  ];
  private originalCache = null;
  constructor() {
  }
  ngOnInit() {
    for(let cache of this.ldapcaches) {

    }
    console.log(this.originalCache);
  }
}

 

compare  firstitem                            seconditem

host          localhost                           localhost

filesize        73                                    21

fileage        2018-01-26 09:26:40      2018-01-26 09:26:32

 

so I need

How to display  expected result vertically with colorized difference with red as above ?

what i write on app.component.html

and what i write on ng oninit ?