第一个vue应用
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>第一个vue应用</title>
</head>
<body><div id="app"><input type="text" v-model="message" /><p>{{ message }} <br>{{ message.length }}</p></div><script src="https://unpkg.com/vue@3/dist/vue.global.js"></script><script>const { createApp } = Vueconst vueApp = {data() {return {message: "hello Vue!"}}}createApp(vueApp).mount("#app")</script>
</body>
</html>