Ví dụ
<!DOCTYPE html> <html> <body> <form action = ""> Subject: <input type = "text" name="sub" maxlength = "10" size = "10"><br> <input type = "submit" value = "Submit"> </form> </body> </html>
Đầu ra
<!DOCTYPE html> <html> <body> <form action = ""> Subject: <input type = "text" name="sub" maxlength = "10" size = "10"><br> <input type = "submit" value = "Submit"> </form> </body> </html>