在浏览网页时,你肯定看到过页面上有一个自由飘浮在文字层之上的透明图像,它既能吸引浏览者的视线,又不会产生过多的视觉干扰,飘浮不定的图像还会给人新颖有趣儿的感觉。其实,它是用Javascript脚本程序编写的。程序并不复杂,下面先说明一下程序的实现方法,然后请你仔细阅读后文中带有详细注释的程序,相信你很快就会明白其中的奥秘,并能在具体应用时加以扩展。 While browsing the web, you must have seen a transparent image floating freely above the text layer on the page, which will not only attract the viewer’s attention without excessive visual interference, but also floating images Give people a new and interesting feeling. In fact, it is written in Javascript script. The program is not complicated, the following first explain the method of implementation, and then you carefully read the following with detailed comments of the program, I believe you will soon understand the mystery, and can be extended in specific applications.