form.addEventListener('submit', e => currentRating < 1) formError.textContent = 'Please provide a star rating.'; formError.style.display = 'block'; return; if (!body.value.trim()) formError.textContent = 'Please write a review body.'; formError.style.display = 'block'; return; if (!document.getElementById('primaryCategory').value) formError.textContent = 'Please select a primary category.'; formError.style.display = 'block'; return;