примечание
app.get('/api/posts', (req, res) => {
const pageCount = Math.ceil(posts.length / 10);
let page = parseInt(req.query.p);
if (!page) { page = 1;}
if (page > pageCount) {
page = pageCount
}
res.json({
"page": page,
"pageCount": pageCount,
"posts": posts.slice(page * 10 - 10, page * 10)
});
});
Fantastic Flamingo