code: function insertElements(type, attributes) {
  	    var _this = this;
  
  	    if (is$1.string(attributes)) {
  	      insertElement(type, this.media, {
  	        src: attributes
  	      });
  	    } else if (is$1.array(attributes)) {
  	      attributes.forEach(function (attribute) {
  	        insertElement(type, _this.media, attribute);
  	      });
  	    }
  	  }
docs: Add elements to HTML5 media (source, tracks, etc)