RE: [Proto-Scripty] Re: How to create a new DOM-element from a string?

2010-12-07 Thread Rick . Wellman
Is it just me,... I don't understand what you're even asking/trying to 
accomplish?
What kind of DOM object are you hoping to create?  Call it a potayto, or a 
potahto but any element you insert the HTML into is a wrapper.  

Apologies if this seems terse but I truly do not understand your question/goal.

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Luke
Sent: Tuesday, December 07, 2010 9:59 AM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] Re: How to create a new DOM-element from a string?

Hm ok, hoped there would be a way I could generate a DOM object that
consists of just the HTML (without wrapper) and before I insert it.

On Dec 7, 4:52 pm, Walter Lee Davis wa...@wdstudio.com wrote:
 That's because I called innerHTML on it at the end, and that returns a  
 string. If you then want to create a new element out of that, you  
 could try inserting it into your page somewhere with

 $('someElementOnYourPage').insert({after: foo});

 Of you could just leave the innerHTML part off the end, which would  
 leave foo populated with the outer wrapper object created by new  
 Element...

 Walter

 On Dec 7, 2010, at 3:20 AM, Luke wrote:



  Hmm, damn. the returned value is still a string :(

  On Dec 7, 9:16 am, Luke kickingje...@gmail.com wrote:
  Thanks Walter!

  On Dec 6, 6:28 pm, Walter Lee Davis wa...@wdstudio.com wrote:

  On Dec 6, 2010, at 12:12 PM, Walter Lee Davis wrote:

  It's OT for this list, but have a look at Prototype.js. You can
  create a new DOM element in memory, and do all the things you want
  to it without ever showing it to the user.

  Sorry, this was completely bone-headed of me -- I thought I was on
  another list.

  Walter

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RE: [Proto-Scripty] Re: can't get queues to work right

2010-09-01 Thread Rick . Wellman
Glad you got it working but FWIW,
Your understanding of the queues seems to be ok but something must be lost in 
the translation... is the Appear beginning *before* the Fade finishes if you 
use the queue?  Your original message states that it Fades (and I read that to 
mean that the Fade completes) and then Appears.  Unless something has changed 
in the library, afterFinish is fine but the queues were written for exactly 
this case.

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Raphael75
Sent: Wednesday, September 01, 2010 8:43 AM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] Re: can't get queues to work right

Thank you. I thought about trying that but I thought the queue was
supposed to do the same thing. It's ok, you solved it. :)

On Sep 1, 8:56 am, Peter De Berdt peter.de.be...@pandora.be wrote:
 On 01 Sep 2010, at 14:34, Raphael75 wrote:

  But isn't the queue supposed to handle that? I inserted the Fade first
  (queue: 'front') and then the Appear (queue: 'end'). Isn't that right?
  Or is there some other way to have the Appear wait to start until the
  Fade is finished?

 Use the afterFinish callback like so:

 var olstext = $('olstext');
 olstext.fade({duration: 0.35, afterFinish: function()  
 { olstext.update(Some new text); olstext.appear({duration: 0.5}); }});

 Best regards

 Peter De Berdt

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RE: [Proto-Scripty] invoke method update

2010-08-25 Thread Rick . Wellman
This is weird... when FF renders this HTML for me it is putting the divs
inside each other like the following.  I have never seen this behavior
before (but explains why the code is working like it is):
div id=OUT
div class=out out1
div class=out out2
...
/div
/div
/div

-Original Message-
From: prototype-scriptaculous@googlegroups.com
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of kstubs
Sent: Wednesday, August 25, 2010 12:48 PM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] invoke method update

I'd expect all div.out containers to be updated with the value
testing, but just getting the first one.  What is wrong with the
following code?

Expected:
testing
testing
testing
testing

Actual:
testing

The code:
ul
libutton onclick=$
('OUT').select('div.out').invoke('update','testing');Test/button/
li
/ul
div id=OUT
div class=out out1/
div class=out out2/
div class=out out3/
div class=out out4/
/div

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RE: [Proto-Scripty] Morph and setTimeout

2010-07-20 Thread Rick . Wellman
I'm pretty sure Ralph's suggestion will work.  I prefer to write this in a way 
which will hopefully highlight the potential bug to a less-experienced 
maintenance developer after I have moved onto a 6-digit consulting career that 
I run two-hours a day from the Bahamas (boy, sure hope my idea works or that 
consulting career is a pipe-dream):

var elid = 'masinfo' + id;
setTimeout($(elid).show(),500,id);

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Ralph Brickley
Sent: Tuesday, July 20, 2010 3:04 PM
To: prototype-scriptaculous@googlegroups.com
Subject: Re: [Proto-Scripty] Morph and setTimeout

JavaScript doesn't know what the +id is because it's within the double quotes. 

Do this instead 

 setTimeout($('masinfo'+id+).show(),500,id);
 }

Sent from my iPhone

On Jul 20, 2010, at 12:59 PM, Martín Marqués martin.marq...@gmail.com wrote:

 I'm trying to mix Effect.Morph and setTimeout() to enlarge a div and
 after the div finishes enlargening another div inside it appears (this
 is where I use setTimeout()). The problema is that I get a error and
 can't find out why.
 
 Here is the code:
 
 function expandir(id,newh){
new Effect.Morph('cont'+id, {
style: 'height:'+newh+'px;', // CSS Properties
duration: 0.5 // Core Effect properties
});
 
setTimeout($('masinfo'+id).show(),500,id);
 }
 
 Here it says that id is not defined in the setTimeout line.
 
 Any ideas?
 
 -- 
 Martín Marqués
 select 'martin.marques' || '@' || 'gmail.com'
 DBA, Programador, Administrador
 
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RE: [Proto-Scripty] Morph and setTimeout

2010-07-20 Thread Rick . Wellman
Oops, already made a mistake;  Make that:

var cmd = $('masinfo' + id + ).show();
setTimeout(cmd,500,id);

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Rick.Wellman
Sent: Tuesday, July 20, 2010 3:42 PM
To: prototype-scriptaculous@googlegroups.com
Subject: RE: [Proto-Scripty] Morph and setTimeout

I'm pretty sure Ralph's suggestion will work.  I prefer to write this in a way 
which will hopefully highlight the potential bug to a less-experienced 
maintenance developer after I have moved onto a 6-digit consulting career that 
I run two-hours a day from the Bahamas (boy, sure hope my idea works or that 
consulting career is a pipe-dream):

var elid = 'masinfo' + id;
setTimeout($(elid).show(),500,id);

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Ralph Brickley
Sent: Tuesday, July 20, 2010 3:04 PM
To: prototype-scriptaculous@googlegroups.com
Subject: Re: [Proto-Scripty] Morph and setTimeout

JavaScript doesn't know what the +id is because it's within the double quotes. 

Do this instead 

 setTimeout($('masinfo'+id+).show(),500,id);
 }

Sent from my iPhone

On Jul 20, 2010, at 12:59 PM, Martín Marqués martin.marq...@gmail.com wrote:

 I'm trying to mix Effect.Morph and setTimeout() to enlarge a div and
 after the div finishes enlargening another div inside it appears (this
 is where I use setTimeout()). The problema is that I get a error and
 can't find out why.
 
 Here is the code:
 
 function expandir(id,newh){
new Effect.Morph('cont'+id, {
style: 'height:'+newh+'px;', // CSS Properties
duration: 0.5 // Core Effect properties
});
 
setTimeout($('masinfo'+id).show(),500,id);
 }
 
 Here it says that id is not defined in the setTimeout line.
 
 Any ideas?
 
 -- 
 Martín Marqués
 select 'martin.marques' || '@' || 'gmail.com'
 DBA, Programador, Administrador
 
 -- 
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RE: [Proto-Scripty] Ajax in IE7 vs. IE8

2010-05-28 Thread Rick . Wellman
Sorry for this short reply which may not even be correct but...

Usually the port number is considered part of the URL from the server
session viewpoint so if you're trying to go back to a different port
than the rest of your app uses, that could be a problem.  [I may have
butchered this explanation so someone able to use more specific
jargon... feel free to help or even tell me I'm completely wrong.]

 

From: prototype-scriptaculous@googlegroups.com
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Russell
Keith
Sent: Friday, May 28, 2010 4:24 PM
To: prototype-scriptaculous@googlegroups.com
Subject: RE: [Proto-Scripty] Ajax in IE7 vs. IE8

 

It appears that IE7 doesn't like the port number added to the URL.  Any
thoughts on how to get around this?  I have to have the port numbers.

 

 

From: prototype-scriptaculous@googlegroups.com
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Russell
Keith
Sent: Friday, May 28, 2010 3:08 PM
To: prototype-scriptaculous@googlegroups.com
Subject: [Proto-Scripty] Ajax in IE7 vs. IE8

 

Ok this doesn't make any sense to me.  The following code works in IE8
but not IE7.  The Ajax calls never get fired according to my proxy
software.  I don't have the luxury of firebug since I am relegated to IE
here at work.  Any ideas?

 

 

!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd;

html xmlns=http://www.w3.org/1999/xhtml;

head

title/title

style type=text/css

.status{

margin-left: 10px;

margin-right:  10px;

width: 50px;

}

/style

script type=text/javascript src=prototype.js/script

 

script type=text/javascript

var secs = 10;

document.observe('dom:loaded', function(){

$('secs').update(secs);

checkAll();

new PeriodicalExecuter(function() { checkAll() },secs);

});

 

function check(num){

$('jetway0'+num).value ='...';

$('jetway0'+num).style.color='black';

new Ajax.Request(http://10.0.0.5:80+num+/shared/login.jsp;, {

onSuccess: function(transport) {

$('jetway0'+num).value ='Up';

$('jetway0'+num).style.color='green';

},

onFailure: function(transport){

$('jetway0'+num).value='Down';

$('jetway0'+num).style.color='red';

}

});   

}

 

function checkAll(){

for (i=1; i=6; i++){

check(i);

}

}

/script

 

/head

body

Checks every span id=secs/spannbsp;seconds.br /br /

Jetway01: input class=status id=jetway01/span
style=text-decoration: underline; color: blue; cursor: hand;
onclick=check(1)Refresh/spanbr /

Jetway02: input class=status id=jetway02/span
style=text-decoration: underline; color: blue; cursor: hand;
onclick=check(2)Refresh/spanbr /

Jetway03: input class=status id=jetway03/span
style=text-decoration: underline; color: blue; cursor: hand;
onclick=check(3)Refresh/spanbr /

Jetway04: input class=status id=jetway04/span
style=text-decoration: underline; color: blue; cursor: hand;
onclick=check(4)Refresh/spanbr /

Jetway05: input class=status id=jetway05/span
style=text-decoration: underline; color: blue; cursor: hand;
onclick=check(5)Refresh/spanbr /

Jetway06: input class=status id=jetway06/span
style=text-decoration: underline; color: blue; cursor: hand;
onclick=check(6)Refresh/spanbr /

br /

span style=text-decoration: underline; color: blue; cursor: hand;
onclick=checkAll()Refresh All/span

/body

/html

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RE: [Proto-Scripty] Re: Hide or Remove non-HTML element from HTML

2010-04-20 Thread Rick . Wellman
I've only partially followed this thread so apologies if this was 
suggested/shotdown.
Can you wrap it with a well-formed HTML element? i.e. div (most likely) and 
remove it with javascript/prototype?

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Jelks
Sent: Tuesday, April 20, 2010 10:36 AM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] Re: Hide or Remove non-HTML element from HTML



On Apr 20, 10:43 am, Jonathan Rosenberg j...@tabbysplace.org
wrote:
 Ok, so I was too glib.  Maybe it's not very simple.

 1) Do you have control of the delivery of this document at the server side?

Only somewhat.  If I had total control, I would not be letting this

AsyncExceptionError occured during AsyncInvocation./
AsyncException

arrive in and pollute the document.

 2) Is it well-formed XHTML?

Yes.  But it's served as text/html.

 3) I'm not sure I understand what you're trying to do with this page while
 it's in a browser.  JIs it just to remove the text node

Yes, to remove that text node (with *or without* it's bogus
ASYNCEXCEPTION and /ASYNCEXCEPTION apparently sibling nodes that
IE creates from that XML snippet above) -- in order that I don't see
this:

Error occured during AsyncInvocation.

at the top of the page in IE (no problem hiding it in Firefox/Chrome).

Thanks,

Jelks

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RE: [Proto-Scripty] Ajax Updater running from a DVD under IE8

2010-02-16 Thread Rick . Wellman
Um, maybe I'm whack, but...
Doesn't an AJAX request need an HTTP server?  Am I correct in
understanding that you are just trying to distribute files/static
content?

-Original Message-
From: prototype-scriptaculous@googlegroups.com
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Walter
Lee Davis
Sent: Tuesday, February 16, 2010 11:17 AM
To: prototype-scriptaculous@googlegroups.com
Subject: Re: [Proto-Scripty] Ajax Updater running from a DVD under IE8

Sorry to bump this so soon, but my client is getting itchy. Has anyone  
seen anything like this, where an Ajax Updater will not run in a local  
file context under IE8? No errors on screen, but no updated content,  
either. I've updated to 1.6.1, moved my call to the updater from a  
document.observe to a Yahoo-style script block before /body, to no  
avail.

Thanks,

Walter

On Feb 15, 2010, at 6:59 PM, Walter Lee Davis wrote:

 I have a site that gets distributed on DVD as a portable library.  
 IE8 users are complaining that an element I am loading into the home  
 page using Ajax Updater is not appearing at all for them. The  
 problem only seems to happen when the site is accessed from the DVD.  
 If you visit the preview version of the site here:
http://files.libertyfund.org/pll 
  everything loads just fine under any browser.

 This site is using 1.6.0.3, I haven't updated it yet to 1.6.1, and I  
 can't recall if there was any work done in this area between those  
 two versions.

 Does this ring any bells for anyone? Is it going to be fix-able, or  
 do you suspect it might be one of those IE features?

 Thanks in advance,

 Walter

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RE: [Proto-Scripty] Re: Multiple timed slideshows

2010-02-01 Thread Rick . Wellman
I am guessing that one of two things is true (maybe a little of both):
1) Though this is the correct forum, no response would mean that no one who 
reads this knows of boiler plate code.
2) I cannot imagine this is terribly different from code you've done before 
with small modifications.  Is there some specific aspect of it that has you 
perplexed? 

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of greyhound
Sent: Monday, February 01, 2010 4:06 PM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] Re: Multiple timed slideshows

If I have posted this in the wrong section, please could someone give
me a heads up?

Thanks

On Jan 31, 8:16 pm, greyhound b...@greyhound-computing.com wrote:
 Hi everyone,

 I have been using the script library to create simple slide shows with
 no problem.

 I have recently been asked to create 3 slideshows which fade in one
 after the other, very similar to this example (which is in 
 Flash)http://www.rockarchive.com/(see the top 3 discs that rotate)

 Does anyone know of any examples as to how this could be achieved?

 Thanks in advance.

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[Proto-Scripty] RSS Feed

2010-01-19 Thread Rick . Wellman
My apologies if there is a different forum to ask this, but when I
originally signed up to this group I setup an RSS feed.  I do not get
regular RSS updates (actually I get none except the first) and was
wondering if others are experiencing the same thing or if I need to
investigate my client (the dreaded MS Outlook).  I mainly suspect the
server side because I am getting other RSS subscriptions.

 

Rick Wellman
Applications Programmer



 

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RE: [Proto-Scripty] Blinddown IE7 problem

2009-12-30 Thread Rick . Wellman
It seems to me that there is a comment somewhere that you need to put a
container div within the div you are applying the effect to.  i.e. 

div
div
... all of your stuff ...
/div
/div

Sorry I do not have time to find the original documentation and/or
confirm but I am pretty sure I have come across undesired behavior
with blindup/blinddown and this was necessary.  HTH

-Original Message-
From: prototype-scriptaculous@googlegroups.com
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of drewB
Sent: Wednesday, December 30, 2009 3:56 PM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] Blinddown IE7 problem

I develop using FF3 and have been testing my design on IE7.  I have
noticed a big problem with using blinddown / blindup.  When it blinds
down, the div overlaps the next div and at the end is shifted to the
left (overlapping the div to the right of it).  Once I move the mouse,
things go back to normal.  When I blind up the div often shifts to the
right and items from the next div disappear (things don't go back to
normal after moving the mouse).

You can see a demo of it at
http://67.214.211.38/demosite/member/demos/blinddown.html.
Click on any of the Show Plan links to see the blind down and then
click Hide Plan to blind up.

I have found a hand full of posts about a similar problem but no
resolutions that work for me:
https://prototype.lighthouseapp.com/projects/8887/tickets/7-effect-blind
up-and-effect-blinddown-not-rendering-properly-on-ie7
http://dev.rubyonrails.org/ticket/8710

Does anyone have advice about how to fix this?

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RE: [Proto-Scripty] Re: Blinddown IE7 problem

2009-12-30 Thread Rick . Wellman
Ok, well that is all I got.  I did notice that you had an unordered list 
outside of the div.  Until you find the actual problem, I highly suggest 
putting everything inside the container.  Good luck.

div style=overflow: visible;
div
div class=action_plan heading_container
h3 class=title
Plan
img class=clickable src=../../images/add_button.png alt=Add Task 
style=margin-left: 0.45em; title=Add Task/
a class=clickable style=font-size: 70%;Add Task/a
/h3
/div
/div

ul class=steps_chbx
...
/ul

/div

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of drewB
Sent: Wednesday, December 30, 2009 4:16 PM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] Re: Blinddown IE7 problem

That was first thought as well but it didn't end up making a
difference.

On Dec 30, 2:04 pm, Rick.Wellman rick.well...@kiewit.com wrote:
 It seems to me that there is a comment somewhere that you need to put a
 container div within the div you are applying the effect to.  i.e.

 div
 div
 ... all of your stuff ...
 /div
 /div

 Sorry I do not have time to find the original documentation and/or
 confirm but I am pretty sure I have come across undesired behavior
 with blindup/blinddown and this was necessary.  HTH

 -Original Message-
 From: prototype-scriptaculous@googlegroups.com

 [mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of drewB
 Sent: Wednesday, December 30, 2009 3:56 PM
 To: Prototype  script.aculo.us
 Subject: [Proto-Scripty] Blinddown IE7 problem

 I develop using FF3 and have been testing my design on IE7.  I have
 noticed a big problem with using blinddown / blindup.  When it blinds
 down, the div overlaps the next div and at the end is shifted to the
 left (overlapping the div to the right of it).  Once I move the mouse,
 things go back to normal.  When I blind up the div often shifts to the
 right and items from the next div disappear (things don't go back to
 normal after moving the mouse).

 You can see a demo of it 
 athttp://67.214.211.38/demosite/member/demos/blinddown.html.
 Click on any of the Show Plan links to see the blind down and then
 click Hide Plan to blind up.

 I have found a hand full of posts about a similar problem but no
 resolutions that work for 
 me:https://prototype.lighthouseapp.com/projects/8887/tickets/7-effect-blind
 up-and-effect-blinddown-not-rendering-properly-on-ie7http://dev.rubyonrails.org/ticket/8710

 Does anyone have advice about how to fix this?

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RE: [Proto-Scripty] Issues selecting checkboxes in FF

2009-12-15 Thread Rick . Wellman
Um,... I am pretty sure if you see that a checkbox is checked then it is
checked.  You gotta suspect your validation code ('cause it sounds like
your validation code is checking a group of checkboxes to make sure that
at least one is checked).

-Original Message-
From: prototype-scriptaculous@googlegroups.com
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of
smartcookie
Sent: Tuesday, December 15, 2009 2:18 PM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] Issues selecting checkboxes in FF

Hey there:

Does anyone know a good way to programmably select or click on a
checkbox input in FF?

I have tried :
el.down('input').checked = 'checked';

and
el.down('input').onclick();

In the first code, I can see the checkboxes being checked, but when I
submit, my error validation alerts that nothing is selected...

Does anyone know another method..

Thanks

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[Proto-Scripty] Re: Forms

2009-10-29 Thread Rick . Wellman

$F() gets the *value* of the form element (i.e. a dropdown's value, the
text in a text box, etc.)
$() just gets the DOM element itself (so would return the dropdown, the
text box, etc. respectively).
[so also, using $F() on a non-form element is fairly pointless]

-Original Message-
From: prototype-scriptaculous@googlegroups.com
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Russell
Keith
Sent: Thursday, October 29, 2009 10:28 AM
To: prototype-scriptaculous@googlegroups.com
Subject: [Proto-Scripty] Re: Forms


Then how is $F() any different than $()?

Also, any idea why I can't get my form to submit.  I have been all over
Google and can't figure it out.

-Original Message-
From: prototype-scriptaculous@googlegroups.com
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of Walter
Lee Davis
Sent: Thursday, October 29, 2009 10:24 AM
To: prototype-scriptaculous@googlegroups.com
Subject: [Proto-Scripty] Re: Forms


Try giving your form elements IDs to match their NAME property. I have  
always needed the ID to be set in order to get a value out of $F.

Walter

On Oct 29, 2009, at 11:08 AM, Russell Keith wrote:

 Ok, maybe I'm just being dense, but I am reading the API for forms  
 and I am getting nothing from it.

 What is proper use of the $F utility and what can it do for me?  I  
 have read the Form.Element.getValue and it means nothing to me.

 I have this form:

 form name=createPDF action=/pdf/pdf_process.php  
 method=POST
 input type=hidden name=A_NAME value=John /
 input type=hidden name=APPLY_DATE value=?=date(m/d/Y)? 
  /
 input type=hidden name=A_BIRTH_DATE value=01/01/01 /
 input type=hidden name=L_NAME value=Jane /
 input type=hidden name=L_BIRTH_DATE value=01/01/01 /
 input type=hidden name=A_ACCOUNT value=1 /
 /form

 When I try to do alert($F('A_NAME')); I get an 'Object does not  
 support this property or method' error.  I get the same error when I  
 try to submit the form with 'document.createPDF.submit();' is there  
 something wrong with my form?

 







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[Proto-Scripty] Re: $$ is a violation of Model-View-Controller

2009-10-29 Thread Rick . Wellman

Though I consider javascript/prototype to be one of my weaker web app skills 
(which is why I like Prototype in the first place), I feel compelled to add to 
this discussion in that:

While I certainly agree with the Use Case that you are describing (and the one 
referenced in the response) I guess I have been lucky enough to have never 
used $$() that way.  However, I have used it (and will most likely continue to 
do so) to retrieve elements based on their CSS class selector.  In fact, some 
of the page effects that I have been asked to implement rely on the use of 
$$().  So, IMHO, maybe it is better stated that $$() is part of the View in the 
MVC paradigm?  Just like Struts is a Controller but many people use the Struts 
tags which are part of the View?

-Original Message-
From: prototype-scriptaculous@googlegroups.com 
[mailto:prototype-scriptacul...@googlegroups.com] On Behalf Of kangax
Sent: Thursday, October 29, 2009 4:51 PM
To: Prototype  script.aculo.us
Subject: [Proto-Scripty] Re: $$ is a violation of Model-View-Controller


On Oct 29, 4:36 pm, JoJo tokyot...@gmail.com wrote:
 Is it poor practice to use $$?

    $$('#grandparent #parent tag.class');

 I've been using $$ quite a lot because it has sped up DEVELOPMENT, but
 now I have realized that it will slow down MAINTENANCE.  Recently, my
 boss asked me to move a whole div to another part of the page.  Since
 I was accessing that div with $$, I was forced to change my JS along
 with my HTML.  If I had accessed that div with $('elementID'), I would
 have only needed to edit my HTML.

 For this, I believe that $$ is a violation of the model-view-
 controller paradigm.  HTML and CSS are the view.  JS should be thought
 of as the controller.  If you think about it, JS processes user input
 just like PHP, except on a livelier schedule.  To make your website
 easier to implement, you should refrain from using $$ to describe the
 HTML structure.

 What are your thoughts?

Yep. I came to the very same conclusion recently -
http://stackoverflow.com/questions/1567496/jquery-anti-pattern-building-selectors-with-string-manipulation/1567743#1567743

--
kangax


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