Html Code:-
<a href="#" id="playerID">Play</a>
<iframe src="https://www.youtube.com/embed/videoID" class="embed-responsive-item" data-play="0" id="VdoID" ></iframe>
Jquery Code:-
$('#playerID').click(function(){
var videoURL = $('#VdoID').attr('src'),
dataplay = $('#VdoID').attr('data-play');
//for check autoplay
//if not set autoplay=1
if(dataplay == 0 ){
$('#VdoID').attr('src',videoURL+'?autoplay=1');
$('#VdoID').attr('data-play',1);
}
else{
var videoURL = $('#VdoID').attr('src');
videoURL = videoURL.replace("?autoplay=1", "");
$('#VdoID').prop('src','');
$('#VdoID').prop('src',videoURL);
$('#VdoID').attr('data-play',0);
}
});
Thats It!