yt-playlist-title-desc.js

async function getYTPlaylistInfo(apiKey, playlistId) {
    const baseUrl = "https://www.googleapis.com/youtube/v3/playlistItems";
    const results = [];
    let nextPageToken = "";

    try {
        do {
            const res = await fetch(
                `${baseUrl}?part=snippet&maxResults=50&playlistId=${playlistId}&key=${apiKey}&pageToken=${nextPageToken}`
            );
            
            const data = await res.json();

            if (data.error) {
                console.error(data.error);
                return;
            }

            data.items.forEach(item => {
                const title = item.snippet.title;
                const description = item.snippet.description;
                results.push({ title, description });
            });

            nextPageToken = data.nextPageToken || "";
        } while (nextPageToken);
        return results;
    } catch (e) {
        console.error(e);
    }
}

const output = await getYTPlaylistInfo(apiKey, playlistId);
console.log(output);