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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>v-model</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<!-- v-model只能用于表单元素-->
<h3>{{msg}}</h3>
<input type="text" v-model="msg">
</div>
</body>
<script>
var vm = new Vue({
el: '#app',
data: {
msg: '只要努力,终究变强!!!'
}
});
</script>
</html>
