Запись данных в значение объекта

let house = { 
  price: null, 
  square: null, 
  rooms: null 
}; 
 
[...document.querySelectorAll('input')].map((input) => { 
  input.addEventListener('change', (e) => { 
    house[input.id] = +input.value; 
  }); 
}); 
 
document.querySelector('button').addEventListener('click', () => { 
  console.log(JSON.stringify(house)); 
})

label { 
  width:60px; 
  display:inline-block; 
}

<label for="price">price</label><input id="price"><br> 
<label for="square">square</label><input id="square"><br> 
<label for="rooms">rooms</label><input id="rooms"><br> 
<button>done</button>