Get By Path

let Obj = {
  foo: 2,
  bar: "car",
  baz: { x: "a", y: "b", biz: { a: { "full name": "Arjunan K" } } },
};

function getByPath(paths, Obj) {
  return paths.reduce((prevObj, currKey) => prevObj[currKey], Obj);
}

console.log(getByPath(["baz", "biz", "a", "full name"], Obj));
// Arjunan K