<!DOCTYPE html>
<html lang = "en">
<head>
<meta charset = "UTF-8">
<title>Title</title>
</head>
<body>
<div id="app">
<!-- 1、.lazy -->
<!-- .lazy ， ，
， -->
<input type="text" v-model.lazy="message">
<h2>{
{
message}}</h2>
<!-- 2、.number -->
<!-- ，
.number ， number -->
<input type = "number" v-model.number="age">
<h2>{
{
typeof age}}</h2>
<!-- 3、.trim -->
<!-- ， -->
<input type="text" v-model.trim="name">
<h2> {
{
name}}</h2>
</div>
<script src="../js/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
message: ' ！！！',
age:0,
name:''
}
})
</script>
</body>
</html>