BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>BootWiki 教程网</title> </head> <body> <form action="demo-form.php" method="get"> <input name="sex" type="radio" value="Male"> Male<br> <input checked="checked" name="sex" type="radio" value="Female"> Female<br> <input type="submit" value="提交"> </form> </body> </html>
运行结果