JSFiddle - React, Tailwind, and code Playground

JavaScript

var oldObj = {
     "name": "Bob Odenkirk",
     "title": "Software Engineer",
     "location": {
         "locality": "San Francisco",
         "region": "CA",
         "country": "United States"
     },
     "age": 62,
     "status": "Active"
};
var newObj = {
     "name": "Bob Odenkirk",
     "title": "Software Engineer",
     "location": {
         "locality": "San Francisco",
         "country": "United States"
     },
     "age": 62,
     "company": "Accenture"
};


var missingProps = {};

function getMissingProps(oldObj, newObj){
	 for (var prop in oldObj) {
     if(newObj.hasOwnProperty(prop) && typeof oldObj[prop] === 'object')
       missingProps = getMissingProps(oldObj[prop], newObj[prop]);
     else if(!newObj.hasOwnProperty(prop))
     	 missingProps[prop] =  oldObj[prop] ;
   }
   
   return missingProps;
}

console.log(getMissingProps(oldObj, newObj));