利用图片的热区功能实现页面的链接是网站设计中的一项常用功能,但图片和热区基本都是事先定义的,一旦发生变动,必须改动源文件,如果能实现动态定义热区,随意更改热区区域的大小或者形状而不用修改文件是比较有意义的。由于项目的需要,作者采用Javascript脚本实现了热区的动态标注,本文简要的介绍一下实现的方法。 Use the picture hot zone function to achieve the page link is a common site design features, but the picture and the hot zone are basically defined in advance, in the event of changes, you must change the source file, if you can dynamically define the hot zone, free It is significant to change the size or shape of the hot zone without modifying the file. Due to the needs of the project, the author uses the Javascript script to realize the dynamic annotation of the hot zone. This article briefly introduces the implementation method.