EY}`\n\nconst SELECTOR_DROPDOWN = '.dropdown'\nconst SELECTOR_NAV_LIST_GROUP = '.nav, .list-group'\nconst SELECTOR_ACTIVE = '.active'\nconst SELECTOR_ACTIVE_UL = '> li > .active'\nconst SELECTOR_DATA_TOGGLE = '[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]'\nconst SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'\nconst SELECTOR_DROPDOWN_ACTIVE_CHILD = '> .dropdown-menu .active'\n\n/**\n * Class definition\n */\n\nclass Tab {\n  constructor(element) {\n    this._element = element\n...