"<script language=...>" has been deprecated; "<script
type="[context-type]">" is it's replacement (in this case,
<script type="text/javascript">).
:-)
Otherwise, elegant solution!
Cheers!
Mark
----- Original Message -----
From: "Tom & Sharon Kochanowicz" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, April 18, 2001 9:44 AM
Subject: Re: Question??
> Yes you can use javascript in your servlet. Here is an example.
It also
> answers the question that has been floating around on this list
on how to
> keep the submit button from being pressed more than once
(disabling it after
> the first submit. I use it all the time & it works great.
>
> T. Kochanowicz
>
> // JavaScript To prevent user hitting Submit button too
many times.
> htmlPage.append("<SCRIPT
LANGUAGE=\"JavaScript\"> <!-- Hide script from
> old browsers\n ");
> htmlPage.append(" var submitted
= false;");
> htmlPage.append(" function
doSubmit(form)");
> htmlPage.append(" {");
> htmlPage.append(" if
(!submitted) {");
> htmlPage.append(" submitted =
true;");
> htmlPage.append("
form.submit();");
> htmlPage.append(" }");
> htmlPage.append(" }");
> htmlPage.append("// End hiding
script from old browsers-->\n</SCRIPT>");
>
> -----Original Message-----
> From: A mailing list for discussion about Sun Microsystem's
Java Servlet
> API Technology. [mailto:[EMAIL PROTECTED]]On Behalf
Of Kevin
> Mukhar
> Sent: Wednesday, April 18, 2001 8:22 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Question??
>
>
> Purushotham Das K wrote:
> >
> > 1.If my browser does not support Cookie,and my server sends a
cookie
> > instance What will happen ?
>
> The browser refuses the cookie. When the browser sends the next
request,
> it will not send the session id. Because the client does not
join the
> session, the server will not be able to perform session
tracking (by
> returning the session id cookie, the client "joins" the
session).
> However, the server could still perform session tracking by
using URL
> rewriting or hidden form fields.
>
> > 2. Can we use javaScript in Servlets??
>
> No, you can't use Javascript IN a servlet. Javascript is a
scirpting
> language embedded into an html page and which is interpreted by
a
> browser. A Servlet is neither an html page nor is it executed
in a
> browser. However, the servlet can insert javascript into the
html that
> is sent to a client. Anything that can be done in static html
can be
> done by a servlet because the servlet output is (usually) html
which is
> rendered by a browser.
>
> > 3. What are the types of protocols used in HttpServlet ?
>
> Between client and servlet, only HTTP. But the servlet can act
as a
> client to other servers and use other protocols: TCP, RMI,
SMTP, etc.
>
>
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