W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<html> <head> <script type="text/javascript"> function changeStyle() { document.body.style.backgroundColor="#FFCC80"; document.body.style.backgroundImage="url(/i/eg_bg_desert.jpg)"; } </script> </head> <body> <input type="button" onclick="changeStyle()" value="Set background-image" /> </body> </html>