Address autocomplete for Brazil

gistfile1.txt

This is a code for autocomplete the address in forms using ViaCEP endpoint.

<script>
  function clean_forms() {
    document.getElementById('street').value = ('');
    document.getElementById('district').value = ('');
    document.getElementById('city').value = ('');
    document.getElementById('uf').value = ('');
  }
  function my_cb(content) {
    if (!("erro" in content)) {
      document.getElementById('street').value = (content.logradouro);
      document.getElementById('district').value = (content.bairro);
      document.getElementById('city').value = (content.localidade);
      document.getElementById('uf').value = (content.uf);
    } else {
      clean_forms();
      alert('CEP não encontrado');
    }
  }
  function searchCep(value) {
    let cep = value.replace(/\D/g, '');
    if (cep != '') {
      var validationCep =  /^[0-9]{8}$/;
      if (validationCep.test(cep)) {
        document.getElementById('street').value = '...';
        document.getElementById('district').value = '...';
        document.getElementById('city').value = '...';
        document.getElementById('uf').value = '...';
        let script = document.createElement('script');
        script.src = 'https://viacep.com.br/ws/' + cep + '/json/?callback=my_cb';
        document.body.appendChild(script);
      } else {
        clean_forms();
        alert('Formato de CEP inválido.');
      }
    } else {
      clean_forms();
    }
  }
</script>