Validating a form without javascript

Question

Is it possible to validate a form without Javascript? Rest of my website is written in c# and asp.net and the server hosting my website doesn't allow Javascript. Is there any other ways to validate a form without this? Thanks!

function validateForm()
{
var x=document.forms["myForm"]["email"].value;
var atpos=x.indexOf("@");
var dotpos=x.lastIndexOf(".");
if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length)
  {
   alert("Not a valid e-mail address");
   return false;
  }
}

Well i know, that's not an answer. But if hoster does not allow javascript... run away from him — Uriil
– Uriil, Commented Apr 8, 2014 at 6:14
Why would the server care if you run JavaScript on remote unrelated machines? — alex
– alex, Commented Apr 8, 2014 at 6:15
If it "doesn't allow javascript" you can't run half of your C# codes because even they are using javascript — Maysam
– Maysam, Commented Apr 8, 2014 at 6:17

alex · Accepted Answer · 2014-04-08 06:14:19Z

1

Yes, you can let the browser validate it partially.

To do this, you can use the pattern attribute, required, etc.

Comments

Uriil · Accepted Answer · 2014-04-08 06:18:08Z

0

For built in email validation set up input type to email:

   <input type="email" name="email">

If it's required add another attribute:

   <input type="email" name="email" required>

But remember, that it's only client side validation and supported by not all browsers, so you must check input on server as well

answered Apr 8, 2014 at 6:18

Uriil

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