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 setStyle() { document.body.style.background="#FFCC80 url(/i/eg_bg_desert.jpg) repeat-y"; } </script> </head> <body> <input type="button" onclick="setStyle()" value="Set background style" /> </body> </html>