应用web化，不论对开发商，还是对用户来说，实在是一种很经济的选择，因为基于web的应用，客户端的规则很简单，容易学习，容易维护，容易发布。但对程序员来说，因为浏览器的局限性，却要面对很多挑战。怎么样来进行基于web的套打，就是这么一个令多数程序员头痛不已的问题。-Web-based applications, regardless of the developers, or users, it is a very economical choice, because web-based applications, client-side rules are simple, easy to learn, easy to maintain, easy to release. But for programmers, because of the limitations of the browser, however, faced many challenges. How to come to the web-based套打is such a headache for programmers to make the majority of the problem.