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编辑您的代码：
<html> <head> <script type="text/javascript"> function setScrollbar3dLightColor() { document.body.style.scrollbar3dLightColor="blue"; } </script> </head> <body> <input type="button" onclick="setScrollbar3dLightColor()" value="Set Scrollbar3dLightColor" /> <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>
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