• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 506
  • Last Modified:

Alert Box for Javascript disabled browser

I would like to have an alert box which will pop up if the user has disabled Javscript on their machine, or if they are not using a Javascript enabled browser.  Basically a client-side sniff to detect whether their browser can do Javscript.  If not, the alert box pops up with a message.
0
SteveH012698
Asked:
SteveH012698
  • 3
  • 2
  • 2
1 Solution
 
webwomanCommented:
I don't think so.. the alert box IS javascript. So if they don't have it enabled, it's not going to work.

Use a <noscript>tag

Like this

<noscript>Turn on javascript!</noscript>

That will work...
0
 
SteveH012698Author Commented:
That's what I thought... The <noscript> way could also be done with a redirected .asp page right off the server. Is there a way to put a detection script in the page that would launch a sized popup window if they have Javascript disabled? <body onLoad tag?> Something that would run when the page is loaded and launch a window, with a message, if they can't do Javascript.
0
 
COBOLdinosaurCommented:
Maybe something like this:

<html>
<head>
<style>
   .alertcls {width:200;height:150;background:navajowhite;border-width:2;
              border-color:slateblue;position:absolute;left:150;top:150;
              z-index:20;}
</style>
</head>
<body>
<noscript>
<div class="alertcls">
   Sorry you cannot run this page correctly with scripting turned off
</div>
</noscript>
the normal stuff of the page goes here
</body>
</html>

Cd&
0
What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

 
webwomanCommented:
But... if I remember correctly, NN4+ turns off CSS when you turn off javascript... ;-)
0
 
SteveH012698Author Commented:
COBOL, in IE4 at least, that doesn't launch a popup window.  It prints the "Sorry you cannot run this page correctly with scripting turned off", message into a box on the page.  If you want to turn your scripting off & check it, go to:
http://www.houston-business.com/nojsalert.htm
0
 
COBOLdinosaurCommented:
It's not supposed to put up a popup just a layer on top of anyother content.

You cannot launch a popup or do much of anything else without Javascript.  The styling is just out a little.  If there is no CSS support it still just displays the text.

Cd&
0
 
COBOLdinosaurCommented:
Glad we could help.  Thanks for he A. :^)

Cd&
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

  • 3
  • 2
  • 2
Tackle projects and never again get stuck behind a technical roadblock.
Join Now