Following post explains you fetching Youtube title from Youtube Id

Example youtube Id of given url https://www.youtube.com/watch?v=YQHsXMglC9A which will be ==YQHsXMglC9A ==

$.getJSON( "https://www.googleapis.com/youtube/v3/videos?part=id%2Csnippet&id=<<youtubeId>>&key=<<API KEY of google console app>>", function( data ) {
   //var obj = $.parseJSON(data);
    console.log(data.items[0].snippet.localized.title);
});

Post Explained

So what we are doing here?

Here we are doing asynchronous ajax call to YouTube API to fetch video details using jQuery, remember that we are printing/Console.log of YouTube title, In order to fetch more information look at JSON response and work accordingly

NOTE If you need any help in setting up API keys click here