Reduce objects

reduceObjects.js

const obj = {
     name: 'Kuro',
     species: 'dog',
     id: '135',
     country: 'Australia'
};

const reject = (...rejectedKeys) => obj => 
// convert the keys of the object to an array and reduce over them
    Object.keys(obj).reduce((acc, curr) => 
// if they key is not in the rejected Keys list, append it to the object, 
// if it is, just return the accumulator instead              
        !rejectedKeys.includes(curr) ? {...acc, [curr]: obj[curr]} : {...acc}, {}); 

console.log(reject('species', 'id')(obj));

/**
    Result:
    {
        name: "Kuro", 
        country: "Australia"
    }
**/