var typeOfHouse = document.querySelector('#type');
 
typeOfHouse.addEventListener('change', function () {
  if (typeOfHouse.value === 'flat') {
    document.querySelector('#price').min = '1000';
  }
  if (typeOfHouse.value === 'palace') {
    document.querySelector('#price').min = '10000';
  }
  if (typeOfHouse.value === 'house') {
    document.querySelector('#price').min = '5000';
  }
  if (typeOfHouse.value === 'bungalo') {
    document.querySelector('#price').min = '0';
  }
});

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