02-vue动态title值.html

<!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-2">
        <span v-bind:title="message">
            鼠标悬停几秒看到此处title值
        </span>
    </div>
    <script src="vue.js"></script>
    <script>
        var app2 = new Vue({
  el: '#app-2',
  data: {
    message: '页面加载于 ' + new Date().toLocaleString()
  }
})
    </script>
</body>
</html>