W3Schools 在线编辑工具 V3.0

<html>
<head>
<script type="text/javascript">
function setScrollbarHighlightColor()
{
document.body.style.scrollbarHighlightColor="purple";
}
</script>
</head>
<body>

<input type="button" onclick="setScrollbarHighlightColor()" value="Set ScrollbarHighlightColor" />

An example paragraph
An example paragraph
An example paragraph
An example paragraph
An example paragraph
An example paragraph
An example paragraph
An example paragraph
An example paragraph
An example paragraph
An example paragraph

</body>
</html>

W3Schools 在线编辑工具（TIY） V3.0