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CPF inválido CPF válido document.addEventListener("DOMContentLoaded", function() { const campoInput = document.getElementById('form-field-cpf'); const spanValido = document.getElementById('cpfValido'); const spanInvalido = document.getElementById('cpfInvalido'); const buttonEnviaCpf = document.getElementById('enviar-cpf'); campoInput.oninput = (e) => { const value = e.target.value; let maskedValue = value.replace(/\D/g, ""); if (maskedValue.length > 3) { maskedValue = `${maskedValue.substring(0, 3)}.${maskedValue.substring( 3 )}`; } if (maskedValue.length > 7) { maskedValue = `${maskedValue.substring(0, 7)}.${maskedValue.substring( 7 )}`; } if (maskedValue.length > 11) { maskedValue = `${maskedValue.substring(0, 11)}-${maskedValue.substring( 11, 13 )}`; } e.target.value = maskedValue; if(e.target.value.length == 14) { spanValido.style.display = "block"; spanInvalido.style.display = "none"; buttonEnviaCpf.disabled = false; buttonEnviaCpf.style.backgroundColor = '#663C9C'; } else { spanValido.style.display = "none"; spanInvalido.style.display = "block"; buttonEnviaCpf.disabled = true; buttonEnviaCpf.style.backgroundColor = '#9f9f9f'; } }; });