Select some keys from a given object

filterParams.js

function filterParams(source, keys) {
  let result = {};
  keys.forEach(item => {
    result[item] = source[item];
  });
  
  return result;
}

const source = {
  name: 'Liu Zhuan', 
  age: '32',
  sex: 'male'
}

const result = filterParams(source, ['name', 'sex', 'wife.name']);
console.log(result);