你的浏览器支持 Object.observe data binding
Object.observe data binding :
The Object.observe() method is used for asynchronously observing the changes to an object. It provides a stream of changes in the order in which they occur.
Object.observe data binding demo(demo源码见图片):
当前的user.name为Brendan Eich,点击按钮,若输出Hello, Mr. liviali! 则浏览器支持Object.observe(否则点击按钮无效)
    demo运行结果: