JavaScript 语言是用来编制Web 文档的流行工具之一,它使Web 页不仅可动态显示信息,而且还可交互处理信息。本文旨在较系统地介绍JavaScript:JavaScript 的特点、基本数据类型、语句、函数、对象(Object ) , 库对象模型, 事件以及用J avaScript 和HTML 制作HomePage 的方法。

Made up by J avaScript ,one of popular tools used to make up HomePage ,the web page can not only provide dynamic information but also interactively deal with information. The paper attempt s to systematically int roduce J avaScript :characteristic ,date ,statement ,function ,object ,buit - in object ,and event ,Also ,the end of paper present s an example using J avaScript and HTML to make up HomePage.