选择CDN版本
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app"></div>
<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
<script>
const app = Vue.createApp({
template: '<h2>Hello World</h2>'
})
app.mount('#app')
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app"></div>
<script type="module">
import { createApp, ref } from 'https://unpkg.com/vue@3/dist/vue.esm-browser.js'
const app = createApp({
template: '<h2>Hello World</h2>'
})
app.mount('#app')
</script>
</body>
</html>
