51help TIY
码：
<!DOCTYPE HTML> <html> <body> <form action="http://www.51help.tk/example/html5/demo_form.asp"> <input type="checkbox" name="vehicle" value="Bike" /> I have a bike<br /> <input type="checkbox" name="vehicle" value="Car" checked="checked" /> I have a car <br /> <input type="submit" value="提交" /> </form> </body> </html>
查看结果: