const fragment = document.createDocumentFragment();
for (let i = 0; i < 100; i++) {
const newElement = document.createElement('div');
newElement.textContent = `Item ${i}`;
fragment.appendChild(newElement);
}
document.getElementById('container').appendChild(fragment);
const element = document.getElementById('myElement');
element.style.color = 'blue';
element.style.fontSize = '20px';
element.classList.add('new-style');
window.requestAnimationFrame(() => {
element.style.width = '100px';
element.style.height = '100px';
});
*/