<template>
  <h2>Example v-for Directive</h2>
  <p>Using the v-for directive  to render a list, based on an object created with the Iterable Protocol.</p>
  <ul>
    <li v-for="value in iterableObject">{{ value }}</li>
  </ul>
</template>

<script>
export default {
  data() {
    return {
      iterableObject: this.createIterable(['City', 'Park', 'River'])
    };
  },
  methods: {
    createIterable(array) {
      let currentIndex = -1;
      return {
        [Symbol.iterator]: function () {
          return {
            next: () => {
              if (currentIndex < array.length - 1) {
                currentIndex++;
                return { value: array[currentIndex], done: false };
              } else {
                return { done: true };
              }
            }
          };
        }
      };
    }
  }
};
</script>                  

import { createApp } from 'vue'

import App from './App.vue'

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