const app = document.getElementById(‘app‘);app.innerHTML = ` <h1>JavaScript DOM</h1> <form> <label> Sign-up Email <input type="email"> </label> <label> I agree to the terms <input type="checkbox"> </label> </form>`;const form = document.querySelector(‘form‘);const email = form.querySelector(‘input[type="email"]‘);const checkbox = form.querySelector(‘input[type="checkbox"]‘);function handleSubmit(event) { if (!checkbox.checked) { event.preventDefault(); console.log(‘I am not submitting...‘); console.log(event.defaultPrevented); // true return; } console.log(‘Submitted‘, email.value);}form.addEventListener(‘submit‘, handleSubmit);