Get the ID from a YouTube Video URL

getYoutubeVideoId.js

//set variables
var videoId = '',
    youTubeUrlBase = 'https://www.youtube.com/watch?v=',
    youTubeUrl = 'https://www.youtube.com/watch?v=JMP3MUwoEmw';

//returns the youtube ID from a URL
function getYoutubeId (url){   
    var myregexp = /(?:youtube\.com\/(?:[^\/]+\/.+\/|(?:v|e(?:mbed)?)\/|.*[?&]v=)|youtu\.be\/)([^"&?\/ ]{11})/i,
    retArr = url.match(myregexp);
    
    return retArr[1].split('&')[0];
};

//get the ID of the youTubeUrl
videoId = getId(youTubeUrl);

//log the ID for demonstration purposes
console.warn(videoId);

//open the you tube video in a new window
window.open(youTubeUrlBase + videoId);