<template>
 <button @click="popupwin(3)">창 띄우기 <button>
 <div v-show="isShow" class="box">
    팝업내용
  <button @click="popupwin">X 닫기</button>
</div>
</template>


[script]
export default class Index extends Vue {
      private isShow: boolean = false;

      popupwin(dataFromk: any): void {
        this.isShow = !this.isShow;
        this.$forceUpdate();
    }

}