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随着Ｗｅｂ技术的飞速发展，Ｗｅｂ页面中可以包含的元素种类也越来越多。一个功能强大的Ｗｅｂ应用要求同一Ｗｅｂ页面中各元素之间进行交互操作。该文以层次化方式给出了几种实现Ｗｅｂ页面中元素之间交互的技术，并对这些技术进行了比较。
With the rapid development of Web technology, Web pages can contain more and more types of elements. A powerful Web application requires interaction between the elements of the same Web page. This paper presents several techniques to realize the interaction between the elements of Web pages in a hierarchical way, and compares these technologies.