Espaces d’attente sécurisés

document.addEventListener('DOMContentLoaded', function() { let form = document.querySelector('.wpcf7-form'); if (form) { form.addEventListener('submit', function(event) { let af = parseFloat(form.querySelector('input[name="af"]').value); let h = parseFloat(form.querySelector('input[name="h"]').value); let ef = parseFloat(form.querySelector('input[name="ef"]').value); if (isNaN(af) || isNaN(h) || isNaN(ef)) { alert('Veuillez entrer des valeurs valides pour tous les champs.'); event.preventDefault(); return; } let alpha1 = (0.13 * af * Math.sqrt(h - ef)) * 0.6 / (16 * ef); let alpha2 = (0.043 * (h + 1.5*af - ef) * 0.5) / (16 * ef); document.querySelector('#alpha1Value').textContent = alpha1.toFixed(2); document.querySelector('#alpha2Value').textContent = alpha2.toFixed(2); event.preventDefault(); }); } });