App.vue
main.js
 
<template>
  <h1>Checkbox Inputs in Vue</h1>
  <form @submit.prevent="registerAnswer">
    <p>What kinds of food do you like?</p>
    <label>
      <input type="checkbox" v-model="likeFoods" value="Pizza"> Pizza
    </label>
    <label>
      <input type="checkbox" v-model="likeFoods" value="Rice"> Rice
    </label>
    <label>
      <input type="checkbox" v-model="likeFoods" value="Fish"> Fish
    </label>
    <label>
      <input type="checkbox" v-model="likeFoods" value="Salad"> Salad
    </label>
    <button type="submit">Submit</button>
  </form>
  <div>
    <h3>Submitted answer:</h3>
    <p id="pAnswer">{{ inpValSubmitted }}</p>
  </div>
</template>

<script>
export default {
  data() {
    return {
      likeFoods: [],
      inpValSubmitted: 'Not submitted yet'
    }
  },
  methods: {
    registerAnswer() {
      this.inpValSubmitted = this.likeFoods;
    }
  }
}
</script>

<style scoped>
  div {
    border: dashed black 1px;
    border-radius: 10px;
    padding: 0 20px 20px 20px;
    margin-top: 20px;
    display: inline-block;
  }
  button {
    margin: 10px;
  }
  label {
    display: block;
    width: 80px;
    padding: 5px;
  }
  label:hover {
    cursor: pointer;
    background-color: rgb(211, 244, 211);
    border-radius: 5px;
  }
  #pAnswer {
    background-color: lightgreen;
    padding: 5px;
  }
</style>                  
import { createApp } from 'vue'

import App from './App.vue'

const app = createApp(App)
app.mount('#app')
                  
http://localhost:5173/