// Custom method to validate that a non-default value is selected
// Define rules for each input field
digits: true, // Allow only digits
minlength: 10, // Minimum length of 10 digits
maxlength: 10 // Maximum length of 10 digits
// Add rules for other fields in similar manner
// Define error messages for each input field
// Add error messages for other fields in similar manner
// Add a class to the error element
// Specify where the error message will appear