// Load the IFrame Player API code asynchronously.
var tag = document.createElement(‘script’);
tag.src = «https://www.youtube.com/player_api»;
var firstScriptTag = document.getElementsByTagName(‘script’)[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

// Replace the ‘ytplayer’ element with an and
// YouTube player after the API code downloads.
var player;
function onYouTubePlayerAPIReady() {
player = new YT.Player(‘ytplayer’, {
height: ‘360’,
width: ‘640’,
videoId: ‘M7lc1UVf-VE’
});
}