v-bind:title="message"
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vue实例化</title>
</head>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<body> <div id="app-2">
<span v-bind:title="message">
鼠标悬停几秒钟查看此处动态绑定的提示信息！
</span>
</div>
<script type="text/javascript">
var app2 = new Vue({
el: '#app-2',
data: {
message: '页面加载于 ' + new Date().toLocaleString()
}
}) </script> </body>
</html>