How do you detect if javascript is disabled or not on pc with IE, Firefox, and/or Netscape?
What I am trying to is:
<cfif javascript is disabled>
bla…
<cflese>
bla…
</cfif>
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>> What you can do is put some javascript in the previous page and write something the link or the form using javascript, that will tell you if it's running.
Can you give me an example?
>> <noscript>stuff in here</noscript> in the HTML is a good way to provide the user with optional links and content.
Can you give me an example as well?
Cheers for posting an example JavaSharp, whilst that will work it will annoy the hell out of google who hates redirects and has been known to block sites who use them on the entry page.
JohnLucania - what are you trying to achieve? Maybe there is something else that can be done deeper in your application.
You seem to want to know if the user has support for Javascript when you're processing the CFML, but you could just as easily output your CFML like this...
<cfif javascript is disabled>
<noscript>
Regular content in here.
</noscript>
<cflese>
Content with Javascript in it here.
</cfif>
There is no syntax for that, you cannot find out this information server side. It would need to exist in the CGI scope for you to have it available when the page is requested.
So you'll need to either redirect to a page that has your non-javascript output, or output both and just use the <noscript> tag to output the HTML for uses with javascript disabled.
Login Page
<html>
<BODY onLoad="JSChk>
<SCRIPT LANGUAGE="JavaScript">
function JSChk()
{
document.myform.JSVal.valu
}
</SCRIPT>
<FORM Method="Post" Name="myform" Action="Welcome.CFM">
<INPUT TYPE="hidden" NAME="JSVal">
<TABLE ALIGN="center">
<TR>
<TD>NT ID</TD>
<TD><Input Name="strUserName" Type="Text"></TD>
</TR>
<TR>
<TD>Password</TD>
<TD><INPUT TYPE="password" NAME="strUserPassword"></T
</TR>
<TR>
</TR>
</Table>
<Div Align="Center">
<BR>
<INPUT TYPE="submit" VALUE="Submit">
</DIV>
<BR>
</FORM>
</body>
</html>
Welcome Page
<html>
<BODY onLoad="JSChk>
<SCRIPT LANGUAGE="JavaScript">
function JSChk()
{
document.WelcomePage.JSVal
}
</SCRIPT>
<FORM ACTION="LogPage.cfm" Name="WelcomePage" METHOD="post">
<CFIF Form.JSVal NEQ "Yes">
<CFLOCATION URL="http://www.ms.com/Log
</CFIF>
<INPUT TYPE="Hidden" NAME="JSVal">
</FORM>
</BODY>
</HTML>
Logout Page
<html>
<BODY>
<CFIF (IsDefined("URL.JSVal"))>
You're browser does not have Javascript enabled and this is required in order
to access the IS&S Contract Log Pages. Please correct this and click <A
HREF="./adminlogon.cfm">he
<CFABORT>
</CFIF>
Really you are going about this incorrectly.
As has been mentioned you cannot have it detected server side. You should not even pass them to a second page.
Assume no javascript and display your message by default. Have the browser detect javascript and if it works it removes the "no javascript message"
That way you don't have to submit a page to determien if they are using javascript - all in one page no need for two
Business Accounts
Answer for Membership
by: btrevarthenPosted on 2006-01-19 at 15:43:25ID: 15744543
Javascript detection is client-side, CFML is server-side.
What you can do is put some javascript in the previous page and write something the link or the form using javascript, that will tell you if it's running.
Unfortunately there is nothing in the CGI scope to tell you if they support Javascript, and even if the browser responded with "yes I can" it can always be blocked at the corporate firewall anyway.
<noscript>stuff in here</noscript> in the HTML is a good way to provide the user with optional links and content.