如果您不想使用jQuery，您可以随时尝试CSS（仅适用于WebKit）。

If you don't want to use jQuery you could always attempt CSS (only works in WebKit).

JSFIDDLE

示例CSS：

::-webkit-scrollbar {
    width: 15px;
}

::-webkit-scrollbar-track {
   -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
   background-color: #000000;
}

::-webkit-scrollbar-thumb {
   border-radius: 10px;
   -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5);
   background-color: #555555;
}

::-webkit-scrollbar-button {
   -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5);
   background-color: #000000;
   background-image: url(dark/light-blue/images/ui-icons_0990fb_256x240.png);
}

::-webkit-scrollbar-button:vertical:increment {
   background-position: -64px -16px;
}

::-webkit-scrollbar-button:vertical:decrement {
   background-position: 0 -16px;
}

::-webkit-scrollbar-button:horizontal:increment {
   background-position: -32px -16px;
}

::-webkit-scrollbar-button:horizontal:decrement {
   background-position: -96px -16px;
}

::-webkit-scrollbar-corner {
   background-color: #000000;
}

更多关于WebKit自定义滚动条

如果您想要多个浏览器支持，您将需要使用jQuery或编写自己的自定义javascript代码，为滚动条附加div并添加事件处理程序以了解滚动时间。

If you want multiple browser support you'll want to use jQuery or write your own custom javascript code with appending a div for the scrollbar and adding Event Handlers to know when you scroll.

自定义滚动条代码示例