W3School TIY Editor
W3School 在线教程
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暗黑模式
运行代码
<!DOCTYPE html> <html> <body> <menu> <command onclick="alert('Hello World')" type="radio" radiogroup="group1">Click Me!</command><br /> <command onclick="alert('Good morning!')">Click This!</command><br /> <command onclick="alert('Good day!')" type="radio" radiogroup="group1">And this!</command> </menu> </body> </html>