element\n\n    this._init()\n  }\n\n  // Public\n\n  toggle(item) {\n    item.parents('li').toggleClass(CLASS_NAME_TODO_LIST_DONE)\n    if (!$(item).prop('checked')) {\n      this.unCheck($(item))\n      return\n    }\n\n    this.check(item)\n  }\n\n  check(item) {\n    this._config.onCheck.call(item)\n  }\n\n  unCheck(item) {\n    this._config.onUnCheck.call(item)\n  }\n\n  // Private\n\n  _init() {\n    const $toggleSelector = this._element\n\n    $toggleSelector.find('input:checkbox:checked')...