W3School TIY
编辑您的代码：
<html> <head> <script type="text/javascript"> function setScrollbarDarkShadowColor() { document.body.style.scrollbarDarkShadowColor="darkred"; } </script> </head> <body> <input type="button" onclick="setScrollbarDarkShadowColor()" value="Set ScrollbarDarkShadowColor" /> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> <p>An example paragraph</p> </body> </html>
查看结果: