问题 I am using html 5 form validation for validate my form before submit, if is valid, submit, but I need validate my User Register form, so it need validate if Password Confirm value is equal camp Password, below is my form example: <form> <label>Login:</label> <input type="text" name="login" id="login"/><br/> <label>Password:</label> <input type="password" name="pass" id="pass"/><br/> <label>Password Confirm:</label> <input type="password" name="pass_conf" id="pass_conf"/><br/> <input type=