window.addEventListener('load', function() {
let mgStars = document.getElementsByClassName('mg-stars');
for (let i = 0; i < mgStars.length; i++) {
if (mgStars[i].children[0].className.trim() !== 'active') {
for (let j = 0; j < 4; j++) {
mgStars[i].children[j].classList.add('active');
}
}
}
});