<template>
  <h1>v-on Example</h1>
  <p>The '.once' modifier prevents the event from happening more than once.</p>
  <button v-on:click.once="clickTimes++">Click</button>
  <p>Click event happened {{ clickTimes }} times.</p>
</template>

<script>
export default {
  data() {
    return {
      clickTimes: 0
    };
  }
}
</script>                  

import { createApp } from 'vue'

import App from './App.vue'

const app = createApp(App)
app.mount('#app')