Try to load Youtube iframe

bettha_detect.js

'use strict';

// Youtube avilability detector
// ---
// Cases: $scope.youtubeAvilable
// null   - Not completed the request yet
// true   - Youtube API and iframe loaded
// false  - Youtube API and iframe could not be laoded

$scope.youtubeAvilable = null;

$.get('https://www.youtube.com/iframe_api')
  .then(function(){
    // now we can set an indicator that youtube is loadable
    $scope.youtubeAvilable = true;
  })
  .fail(function(){
    // something went wrong..
    $scope.youtubeAvilable = false;
  });