const obj = {

  foo: 'bar',

  baz: 42

}

​

console.log('Object.entries')

console.log(

  Object.entries(obj)

)

​

console.log('Mapping')

console.log(

  Object.entries(obj)

  .map( ([key, value]) => `My key is ${key} and my value is ${value}` )

)

​