settings)\n      this._overlay = $(this._settings.overlayTemplate)\n\n      if (element.hasClass(ClassName.CARD)) {\n        this._parent = element\n      }\n\n      if (this._settings.source === '') {\n        throw new Error('Source url was not defined. Please specify a url in your CardRefresh source option.');\n      }\n\n      this._init();\n\n      if (this._settings.loadOnInit) {\n        this.load();\n      }\n    }\n\n    load() {\n      this._addOverlay()\n      this._settings.onLoadStart.call($(this))\n\n...