using vue with cdn code example
Example 1: vue via cdn
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.12/dist/vue.js"></script>
Example 2: vue cdn
<script type="module">
import Vue from 'https://cdn.jsdelivr.net/npm/vue@2.6.11/dist/vue.esm.browser.js'
</script>