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>