Can anyone tell me how I can detect the visitor pc's screen size/resolution?
I've searched ee and found a mention below:
http://www.experts-exchang
but they say it can only be done in javascript.? excuse ignorance ... but how do I pass the javascript variable into that of a CF variable?
I'm a total newbie .. so.
In other words ... I'm trying to determine the width & height of client pc screen size.
Thanks much!
Richard Buchanan
The Opinion Exchange
www.opinion-exchange.com
This Question has been solved and asker verified All Experts Exchange premium technology solutions are available to subscription members.
Experts Exchange has been collecting answers to technology questions since 1996…3 million and counting! If you have a question, chances are we already have your answer.
If you can't find the exact answer you're looking for, ask our exclusive community of 50,000 experts. You’ll get a personalized answer from a trusted professional.
Thousands of free tech tips, tricks, how-to’s and tutorials are available in our peer reviewed articles section. See for yourself how smart our experts are, no login required.
Save solutions to your questions, answers you’ve discovered through searching plus helpful articles in your personal knowledgebase for easy future access.
Access the answers to your technology questions today.
30-day free trial. Register in 60 seconds.
Members of the expert community talk about why the experience at Experts Exchange is different than what you will find anywhere else.
Try it out and discover for yourself.
30-day free trial. Register in 60 seconds.
Join the community of experts here and help other tech pros by answering question in your area of expertise. You can earn FREE access to all Experts Exchange's premium features and resources.
You and me too, I am lost too, I can't see how what Cypher suggests has anything to with your question, no offense Cypher...
Simple answer to your question, ColdFusion can only talk to CF if you GET or POST variables to CF, i.e. you pass the js variables to it via url or form variables.
To detect screen resolution you would need to use JavaScript
http://www.experts-exchang
Hi
Sorry that was some code that i used in a completey differnet app, I have spent some time trying to work your answer out but it looks like im at a lost
http://lists.evolt.org/arc
you have to pass the information through a url effectivly reloading your page.
I presum this is for different templates of your site, the only idea i could give you is to load a small window or something to detect the browser size.
Sorry I cant be much more of a help
Good luck
chris
You can only detect browser resolution using client-side (ie JavaScript) programming. There are two ways to get the data from client-side code to CF: by passing the data in the URL, or by posting the data in a form.
If you have a login page on in your app, then a good way to do this is using the form-based approach. Just add a hidden form element (or two) within your <form> tags on the login page:
<input type="hidden" name="screenprops" value="">
And then some Javascript to populate the hidden form field with the screen information you want, further down the page (toward the end is good):
<script type="text/javascript" for="window" event="onload()">
document.form1.screenprops
</script>
Then, when the user submits the login form, the hidden form field gets passed along with the login information to the login action page as form.screenprops.
This has been the more straightforward approarch in my experience. If you want instructions on doing it via url forwarding, or if you have any questions about this approach, just holler.
Also, as a caveat, the javascript provided here has been simplified for illustrative purposes, and some error-checking and cross-browser compatibility code has been removed.
Take Care,
Seth
Business Accounts
Answer for Membership
by: Tacobell777Posted on 2004-03-26 at 14:04:52ID: 10691640
1st what is the reason for wanting to know the resolution and pass it on to ColdFusion?
Then to pass any variable from JavaScript o ColdFusion you'll have to make a new page call, either with GET or POST, you can pass the variable you want coldfusion to know about via the URL or as a FORM field, i.e.
http://somedomain.com?myjs
OR
PSUEDO code
<form ........>
<input type="hidden" name="myjsvariable" value="a test">
<input type="submit ........>
</form>
Then in coldfusion you can reference to these variables like so
#url.myjsvariable# or #form.myjsvariable#
Does that help and make sense?