document.body.clientWidth;
const node = document.createTextNode('');
document.body.appendChild(node);
document.body.clientWidth;
document.body.removeChild(node);
document.body.clientWidth;

document.body.clientWidth;
const node = document.createComment('');
document.body.appendChild(node);
document.body.clientWidth;
document.body.removeChild(node);
document.body.clientWidth;