whole_func_string: function() {
        var self = this;
        this.selectors.forEach(function(el) {
          var caption = el.querySelector("caption." + self.defaultCaptionClass);
          caption && el.removeChild(caption);
        });
      }
func_code_string: function() {
        var self = this;
        this.selectors.forEach(function(el) {
          var caption = el.querySelector("caption." + self.defaultCaptionClass);
          caption && el.removeChild(caption);
        });
      }
func_documentation_string: Remove the instance (i.e. caption containing the export buttons)