Class Definition\n * ====================================================\n */\n\nclass IFrame {\n  constructor(element, config) {\n    this._config = config\n    this._element = element\n    this._init()\n  }\n\n  // Public\n\n  onTabClick(item) {\n    this._config.onTabClick(item)\n  }\n\n  onTabChanged(item) {\n    this._config.onTabChanged(item)\n  }\n\n  onTabCreated(item) {\n    this._config.onTabCreated(item)\n  }\n\n  createTab(title, link, uniqueName, autoOpen) {\n    let tabId = `panel-${uniqueName}`\n...