(inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {\n        event.preventDefault() // work around Firefox bug #1540995\n        return\n      }\n\n      if (initialButton.tagName === 'INPUT' || button.tagName !== 'LABEL') {\n        Button._jQueryInterface.call($(button), 'toggle', initialButton.tagName === 'INPUT')\n      }\n    }\n  })\n  .on(EVENT_FOCUS_BLUR_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, event => {\n    const button = $(event.target).closest(SELECTOR_BUTTON)[0]\n...