代碼
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div id="app">
<input v-model="name" placeholder="請輸入商品名稱"/>
<p>名稱是: {{ name }}</p>
</div>
</body>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script>
var vm = new Vue({
el: '#app',
data: {
name: ''
},
})
</script>
</html>
運行結果