this.$root.$data.turn 작동하지를 않습니다..ㅠㅠ

undefined

TdComponent.vue?c5a7:15 {__ob__: Observer}

TdComponent.vue?c5a7:16 {__ob__: Observer}

TdComponent.vue?c5a7:17 undefined

vue.esm.js?efeb:628 [Vue warn]: Error in v-on handler: "TypeError: Cannot read property '1' of undefined"

found in

---> <TdComponent> at src/components/molecules/TdComponent.vue

       <TrComponent> at src/components/molecules/TrComponent.vue

         <TableComponent> at src/components/oranlsms/TableComponent.vue

           <TicTacToe> at src/components/TicTacToe.vue

             <App> at src/App.vue

               <Root>

warn @ vue.esm.js?efeb:628

logError @ vue.esm.js?efeb:1893

globalHandleError @ vue.esm.js?efeb:1888

handleError @ vue.esm.js?efeb:1848

invokeWithErrorHandling @ vue.esm.js?efeb:1871

invoker @ vue.esm.js?efeb:2188

original._wrapper @ vue.esm.js?efeb:7565

vue.esm.js?efeb:1897 TypeError: Cannot read property '1' of undefined

    at VueComponent.onClickTd (TdComponent.vue?c5a7:19)

    at invokeWithErrorHandling (vue.esm.js?efeb:1863)

    at HTMLTableCellElement.invoker (vue.esm.js?efeb:2188)

    at HTMLTableCellElement.original._wrapper (vue.esm.js?efeb:7565)

logError @ vue.esm.js?efeb:1897

globalHandleError @ vue.esm.js?efeb:1888

handleError @ vue.esm.js?efeb:1848

invokeWithErrorHandling @ vue.esm.js?efeb:1871

invoker @ vue.esm.js?efeb:2188

original._wrapper @ vue.esm.js?efeb:7565

제로초님 안녕하세요.. ㅠㅠ 

this.$root.$data.turn  작동하지를 않습니다..ㅠㅠ

ㅇ

import Vue from 'vue';
import TicTacToe from './TicTacToe';

new Vue(TicTacToe).$mount('#root');