How do I check if a video exists on YouTube, in client side

Question

I am doing validation for my Youtube url text field.

I need to check, if the Youtube url does not exist I should throw error, I followed this answer an

Answer 1

Try this on client side:

//here, oABCD01234 is YouTube id
$.ajax({
    type: 'HEAD',
    url: 'http://gdata.youtube.com/feeds/api/videos/oABCD01234',
    success: function() {
        //it exists!
    },
    error: function(jqXhr) {
        if(jqXhr.status == 400) {
            //it doesn't exist
        }
    }
});