What is this "virtual concurrency between server and client call" stuff? I think I missed that in the instruction manual.
Paul is correct, that output requires a DOM to run, CF is just seeing a text string. View source will also show you the output JavaScript. It is possible to pass those screen variables back to CF's session using client side script, just not the way that is being presented. On Sun, Dec 23, 2012 at 3:00 AM, Paul Kukiel <[email protected]> wrote: > > Impossible that it works as you describe. > > If anyone runs this code they will simple see a session variable with a > string of js text. > > <cfset session.screenwidth = > "<script>document.write(>screen.width);</script>" /> > <cfdump var="#session#" /> > > You would have to do it with ajax as suggested, or use js to set a form > variable. > > On Sun, Dec 23, 2012 at 6:22 PM, The Dude <[email protected]> wrote: > > > > > I am running this in a cfml page and it returns the screen resolution > > consistently. > > > > I was surprised to see js scripts in cfset would capture the desired > > values in a cfml page. > > > > Try it on your end, technically it shouldn't work but I believe the > > virtual concurrency between server and client call produce the desired > > result. > > > > >Javascript is client side and will only run in the browser, you cannot > run > > >it from the server inside cfml. > > > > > >so > > ><cfset session.screenwidth = "<script>document.write( > > >screen.width);</script>"> > > >will simply assign the text > > "<script>document.write(screen.width);</script>" > > >to session.screenwidth not the value your are expecting. > > > > > >you need to run this script client side. > > ><script>document.write(screen.width);</script> > > > > > >and then send the values back to the server, you could do this with ajax > > or > > >cookies. > > > > > > > > > > > > > > >> > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:353624 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
