Login // Check if at least one radio button in this question group is checked // Get the selected value // Get the correct answer for the current question // If no radio button is checked for this question, set flag to false // If any question is not answered return false; // Prevent form submission // Calculate percentage score // Check if the score is less than 80% return false; // Prevent form submission $("#message").text(''); // Clear any error message return true; // Allow form submission return validateForm(); // Call validateForm before form submission