版权声明：独学而无友，则孤陋寡闻。q群582951247 https://blog.csdn.net/mp624183768/article/details/87898387
html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<div id="app">
<h2>学习成绩</h2>
<input type="text" v-model="score">
<div v-if="score>=60">很棒 你及格了 </div>
<div v-else> 不及格</div>
<div>当前时间：{{date}}</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.js"></script>
</body>
</html>js
var app=new Vue({
el:'#app',
data:{
message:'aaa',
score:'0',
date:'页面加载于 '+new Date().toLocaleString()
}
});