to be clear - the example I put is not a javascript array but a Prototype Hash
you should be able to do the same thing with a javascript array though Jason Westbrook | T: 313-799-3770 | jwestbr...@gmail.com On Mon, Oct 15, 2012 at 5:25 PM, Peter Sysko <petersy...@gmail.com> wrote: > whoa i had no idea you could do that with javascript array. i just didn't > think the data persistence was possible, even if the window was still open. > but it makes perfect sense, and much simpler than what i'm doing now. I > will have to give it a shot tomorrow, thank you! > > > On Monday, October 15, 2012 2:15:23 PM UTC-4, Peter Sysko wrote: >> >> I love prototype and scriptacualous. I don't combine with jquery so i >> know i am not having a noclonflict headache, >> and I am just trying to get the visible() function ( >> http://prototypejs.org/api/**element/visible<http://prototypejs.org/api/element/visible> >> ) >> to not throw null type error exceptions: here is the function I need to >> fix, syntactically: >> the function creates an associative array to track which of 33 system >> panels are either open, unopen, or minimized*: >> **(the systems are indexed from 100 to 132)*>> >> >> function get_system_states() { >> var k=0; var sys_array = new Array(); var open_div=''; var min_div=''; >> for(k=100;k<132;k++){ >> open_div = 'system'+k+''; >> min_div = open_div+'_minimized'; >> if ($(open_div).visible()==true) { >> sys_array[k] = "o"; // o = open >> } >> if ($(min_div).visible()==true) { >> sys_array[k] = "m"; // m = minimized >> } >> if >> (($(open_div).visible()==**false)&&($(min_div).visible()=**=false)) >> { >> sys_array[k] = "c"; // u = unopen >> } >> } >> return sys_array; >> } >> >> Javscript console error says : >> >> 1. Uncaught TypeError: Cannot call method 'visible' of null >> 1. >> >> >> the first IF statement in the for loop is throwing the exception, but I >> assume I am not assigning the div values correctly? >> i have found no answers in this group from a text search and from a >> general google search. >> is this a single quotation reference? my div id's are dynamically written >> in php codeignite, which shouldnt really matter. >> >> any suggestions for how to properly get the visibility of each div in >> each current state? >> thanks!! >> -pete >> >> -- > You received this message because you are subscribed to the Google Groups > "Prototype & script.aculo.us" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/prototype-scriptaculous/-/dodF3TNhKR0J. > > To post to this group, send email to > prototype-scriptaculous@googlegroups.com. > To unsubscribe from this group, send email to > prototype-scriptaculous+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/prototype-scriptaculous?hl=en. > -- You received this message because you are subscribed to the Google Groups "Prototype & script.aculo.us" group. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
