adding two objects in javascript

        
            
        
     let person = {
    firstName: 'John',
    lastName: 'Doe',
    age: 25,
    ssn: '123-456-2356'
};


let job = {
    jobTitle: 'JavaScript Developer',
    location: 'USA'
};

let employee = {
    ...person,
    ...job
};

console.log(employee);
        
            
        
     _.merge(object, [sources])
        
            
        
     let person = {
    firstName: 'John',
    lastName: 'Doe',
    age: 25,
    ssn: '123-456-2356'
};


let job = {
    jobTitle: 'JavaScript Developer',
    country: 'USA'
};


let employee = Object.assign(person, job);
console.log(employee);
        
            
        
     let person = {
    firstName: 'John',
    lastName: 'Doe',
    age: 25,
    ssn: '123-456-2356',
    contact: {
        phone: '408-989-8745',
        email: '[email protected]'
    }
};


let job = {
    jobTitle: 'JavaScript Developer',
    location: 'USA'
};

let employee = { ...person,  ...job };

console.log(employee.contact === person.contact);
        
            
        
     let job = {
    jobTitle: 'JavaScript Developer',
    country: 'USA'
};

let location = {
    city: 'London',
    country: 'England'
};

let remoteJob = {
    ...job,
    ...location
};

console.log(remoteJob);
const a = { b: 1, c: 2 };
const d = { e: 1, f: 2 };

const ad = { ...a, ...d }; // { b: 1, c: 2, e: 1, f: 2 }