var url = "https://www.googleapis.com/youtube/v3/videos";
var videoId = "id={YOUR-VIDEO-ID}";
var apiKey = "key={YOUR-API-KEY}";
var part = "part=snippet";
$.get(url + "?" + apiKey + "&" + videoId + "&" + part, function(response) {
alert(response.pageInfo.totalResults);
});
request()->all + [project_id => number]