Let's just take a step back and talk about what your HTML looks like
and what the expected POST parameters should look like. Then we can
write some JavaScript to solve that problem.
Say your HTML looks like:
ul
liimg src=http://www.domain.com/images/picture1.png; //li
liimg
Have you used an inspector type tool (like Firebug) to verify that
your markup is correct and corresponds the CSS you are expecting?
-justin
On 3/16/07, michal [EMAIL PROTECTED] wrote:
hi guys,
i have a question regarding prototype and the Ajax.Updater.
When the requested page contains
Sorry if my first post wasn't too clear. Unless I'm mistaken, setWidth
won't matter to the library, I had to modify prototype.js to add that.
OK, that makes more sense. I am not familiar with the options so I was
assuming you were saying that setWidth was an option. I think it's a
simple
I don't see that slider observes any 'change' events, only mousedown,
mouseup and mousemove.
-justin
On 3/22/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Does anyone know if there is a way to prevent setValue from calling
the onChange event with the slider?
Thanks.
I'm wondering if you can have more than one PeriodicalExecuter?
Why not? Did you try and it didn't work for you? Having more than one
PeriodicalExecuter is a fairly normal, and not something I've ever run
into problems with.
All they really are is window.setInterval() calls, and there is no
You just need to bind the observer method when you're attaching it, like:
new Ajax.Request('/path/to/action', {method:get,
onSuccess:this.handle_the_data.bindAsEventListener(this) });
-justin
On 3/28/07, smellis [EMAIL PROTECTED] wrote:
Hi All,
First off, I have to mention that I love
Could anybody point me to prototype demos and sample code?
Though there's not really demos, did you see this page:
http://prototypejs.org/learn/introduction-to-ajax
Ajax requires server-side code, which makes it hard to demo something
in your language of choice, so that could be why it was
I've implemented draggable links before, but it required that I extend
the Draggable class, to enable this behavior. Basically it requires
overriding the endDrag method, but doing nothing in that method. Here
is example code:
YourNameSpace.Draggable = Class.create();
So your solution seems fine, thanks !
(BTW, sorry with the search for the *best* solution ever :-), but as
I'm beginning in JS, so I tried to compare the different answers).
No offense taken :)
I was trying to say that when I needed a solution for that problem, I
didn't research it, I just
My solution worked fine for me. I used it on a page with a bunch of
links and inside each link was a thumbnail image. I was pleased with
the results, but did not research if there was *better* ways to
achieve the goal.
If you look at the complete code example I gave you, I've implemented
a click
Indeed it is, thanks Tobie!
-justin
On 4/18/07, tobie [EMAIL PROTECTED] wrote:
Hi Justin,
This has been corrected in the svn trunk:
$H(foo=barapple=orange=.toQueryParams()).toQueryString()
// = foo=barapple=orange=
Regards,
Tobie
I suggest you subclass Ajax.InPlaceEditor like so:
Ajax.CustomInPlaceEditor = Class.create(Ajax.InPlaceEditor, {
/* custom methods */
});
Yes, that is what I will likely end up doing since addMethods is not
doing what I'm expecting it to. The problem with this approach is how
much existing
addMethods will overwrite your methods, not inherit them, so using
$super will do what it's doing on your example.
OK, that makes sense. Thanks for clarifying. Still unsure why my
simple example works well, but fails when I try to do the same with
the Ajax.InPlaceEditor#createEditField method,
Thanks for clarifying why this is happening Nicolás. I had not thought
about the impact my changes are having upon IPCE, probably because I
have never used it.
fyi, I am overwriting the #getText method in IPE and using
function#wrap to extend #createEditField.
-justin
p.s. I believe you meant
On 1/8/08, noneothers [EMAIL PROTECTED] wrote:
Hi, I had a question about deleting something from my computer memory.
I used a Creative Div tag and I used Remove to delete it, but it
doesnt completely delete from my memory; even after I used a null
value.
Setting it to null is the
On Jan 8, 3:34 pm, [EMAIL PROTECTED] wrote:
I'm running into problems when trying to use the delay function on
effect callbacks:
Error:
this.options[eventName] is not a function
Yes, I am getting the same thing when writing code similar to yours. A
possible workaround (albeit
The basic question is how can to generate this string 'body div h1 b'
when I stays on This or basically how can I know the structure of
nodes that has this node where I stays.
What you are saying here, is given the element b, how can you derive
a CSS-style selector that shows the path to that
Have you looked into extending the existing behavior of the
InPlaceEditor? If you want to perform some extra actions when going
into edit mode, you can wrap the enterEditMode method (or another one,
if it is more fitting) such that you can either do something before or
after enterEditMode is
Maybe I misunderstood your original question. I thought you wanted to
do some extra stuff *before* the form submission occurs, as-if to
prepare the page for switching to edit mode.
If you want to do stuff after the form submission (or even just
before), you may want to checkout the various
Turning htmlReponse on or off did not seem to make a difference. I
think that may be because my server-side Seaside framework turns on
evalScripts by default.
Setting htmlResponse to false means that the form submission will use
a plain Ajax.Request instead of an Ajax.Updater. See the method
In a recent discussion it was noted that in the new version of
Scriptaculous, pressing the escape key for an InPlaceEditor field to
cancel the editing, no longer works as it did in the older version.
I realize that this code has been substantially re-written by
Christophe Porteneuve, and perhaps
On Jan 15, 2008 1:44 AM, Christophe Porteneuve [EMAIL PROTECTED] wrote:
1.7.1beta1 includes the FORMER version of IPE/IPCE. It was replaced by
1.8.0 on the website on Nov 7, 2007, quite some time ago. Perhaps you
downloaded it through one monster cache :-?
Well, I guess I need to explain
On Jan 15, 2008 1:39 AM, Christophe Porteneuve [EMAIL PROTECTED] wrote:
Just FYI: I'll try to find the time today or soon enough anyway to
review the thread in detail and either promote your patch or put another
one in. But yeah, I'm tracking this :-)
If it makes it any easier, or more
cedric,
Unless your method, registerHtmlCode, is altering what getData returns
(it doesn't look like it, from your example code), then I don't see
how the result from calling getData will ever change.
Can you post the real code you are using instead of the simplified version?
-justin
Instead of redefining the getData function on every request why not
just make getData return a dynamic object instead of one with
hardcoded values?
What you're probably running into is the function is not getting
redefined until after the request is completed, so when you call
getData, you'll
On Jan 15, 2008 12:45 PM, ced [EMAIL PROTECTED] wrote:
I don't quite see what you mean by dynmaic object. I wanted, with this
construct, to avoid pulling the data out of the DOM piece I just
included: As I know it before hand on the server. It 's like a data
accessor on the html snippset.
On Jan 15, 2008 1:49 PM, Andy Koch [EMAIL PROTECTED] wrote:
I'd like to disable the highlight effect on text that's embedded in
the inPlaceEditor.
Without changing the existing behavior, there really isn't a way to
just flat-out disable the hover effect, however there are a few
options you
On Jan 15, 2008 9:59 AM, Steve Prior [EMAIL PROTECTED] wrote:
Thanks, if you follow the link on
http://script.aculo.us/downloads
you still get the 1.8.0 version.
fyi, I just grabbed the latest version (1.8.1) from the site today
with no issues.
-justin
If you change your naming convention just slightly, such that the
second set of fields uses a predictable prefix/suffix, then you can
just use a single array to iterate over. Without looking into how to
handle radio buttons, checkboxes, and selects, the code would be
something like:
$A(
On Jan 15, 2008 2:55 PM, Christophe Porteneuve [EMAIL PROTECTED] wrote:
Just pass onEnterHover: false, onLeaveHover: false among the options…
Those callbacks provide the default hover behavior, which is the
highlight thing.
D'oh! Of course you can override all those DefaultCallbacks in
On Jan 16, 2008 5:32 AM, ced [EMAIL PROTECTED] wrote:
That made my
day. Thanks for your vision on my problem.
Glad it all worked out. Have a great day.
-justin
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On Jan 16, 2008 8:10 AM, desbest [EMAIL PROTECTED] wrote:
Can someone give me an example of the replace feature because the
prototype documentation is hard to understand.
This would be typical usage...
HTML:
ul
li id=my-first-itemI have not been replaced, ever!/li
/ul
JavaScript:
On Jan 16, 2008 4:43 PM, Bjørn [EMAIL PROTECTED] wrote:
Just a quick one, bear with me as I'm a prototype nOOb...:-)
The following code works in firefox, but IE7 complain that it cannot
get the display property?
---
var elms =
On Jan 17, 2008 7:43 AM, Bjørn [EMAIL PROTECTED] wrote:
BTW: In documentation, $$ still state GetElementByClassName as
alternative, even if it's now depricated?
See this page, note the warning:
http://prototypejs.org/api/utility/getElementsByClassName
-justin
On Jan 17, 2008 12:07 PM, JCR [EMAIL PROTECTED] wrote:
What happens if an Ajax.Request is not answered?
If the server is no longer online (not responding), then I believe the
request will result in an exception. Not a 500, which is catchable
with the onFailure handler, but an exception. I have
On Jan 17, 9:09 am, Jennifer Maas [EMAIL PROTECTED] wrote:
I'm having a problem getting the rjs sent to a client from a
controller to execute when I submit the form with an onclick event in
a checkbox instead of using a submit tag. The returned js is rendered
as text.
Probably whatever
On Jan 17, 2008 12:05 PM, Garito [EMAIL PROTECTED] wrote:
Hi!
I note that when a IPE submit's the form an editorId parameter is
passed with the form values but I don't want this editorId in any case
Unless you want to override the handleFormSubmission method, I don't
think there is a way to
On Jan 17, 2008 1:39 PM, Jennifer Maas [EMAIL PROTECTED] wrote:
I am using prototype 1.5 *I think*. I put version 1.5 in my public
javascript folder, so I assume that's the version it's picking up. Is
there an easy way to tell?
Just look at the prototype.js file, it's right at the top. The
On Jan 17, 2008 2:40 PM, Jennifer Maas [EMAIL PROTECTED] wrote:
I'm just a little concerned about how to tell the controller
that a particular checkbox is on or off.
The code I sent previously can do this, with one slight modification. See below.
%= check_box_tag
You may want to look into RESTful design patterns, this is exactly
what is intended to do (and a whole lot more):
http://www.google.com/search?q=restful+rails
Although there is a lot of info on Rails-specific techniques for
making your application RESTful, the basic idea is the same
everywhere.
On Jan 18, 2008 2:51 PM, Garito [EMAIL PROTECTED] wrote:
Hi!
Thanks Christophe for the quick solution!
How can I download it? Subversion?
I never used subversion and I don't know how to do it
Could anyone point me to a tutorial or something similar?
You can patch your version with some
On Jan 18, 2008 9:33 AM, Walter Lee Davis [EMAIL PROTECTED] wrote:
I am trying to make a gallery of photos poll the server and see if
there's anything more recent. I am having trouble figuring out how to
get Ajax.PeriodicalUpdater to send a dynamic value to the server.
Parameters are just
On Jan 22, 2008 4:22 AM, Karel Minarik [EMAIL PROTECTED] wrote:
I am playing with PeriodicalUpdater an it seems, that it doesn't like
port specified in URL.
With Ajax requests, you do not specify a port or a hostname.
Everything is relative to the URL in the address bar. This is
explicitly
On Jan 22, 2008 11:58 AM, ahs10 [EMAIL PROTECTED] wrote:
i have a periodical updater running, i want to run a javascript
function when the response for the periodical updater has changed. i
still want the periodical updater to keep running, and i want the
function to run each time the
On Jan 22, 2008 3:00 PM, Karel Minarik [EMAIL PROTECTED] wrote:
BUT, the bigger problem is, that Ajax.PeriodicalUpdater keeps
inserting *more* elements than it receives from the server.
OK, now we're getting somewhere. This sounds like the same issue as
discussed in this conversation:
Let's start with some basic code that you can try out and then
follow-up with questions you may have.
First, some JavaScript:
function prepare(){
var form = $('my-form');
form.observe('submit', handle);
}
function handle(event){
event.stop();
var form = $('my-form');
new
On Jan 23, 2008 3:59 AM, Karel Minarik [EMAIL PROTECTED] wrote:
Does this simple example work for you, Justin?
new Ajax.PeriodicalUpdater('some_div', '/some_file',
{ asynchronous:true,
frequency: 3,
method: 'get',
insertion: Insertion.Bottom
}
On Jan 23, 2008 4:06 AM, Michael Sharman [EMAIL PROTECTED] wrote:
Although this works find, I would have liked to find a way where my
markup is clean of any javascript and the default Observer worked from
the linked .js file (as it does on the first ajax request).
The dom:loaded observer will
To address one of your other questions, regarding attaching events to
content that is loaded through Ajax. You need to use callbacks to
accomplish this, such as onComplete or onSuccess.
function attachListeners(){
// attach your observers to the new elements on the page
}
new
That's a really long post, so rather than reply to individual pieces
how about just a quick example...
This JS would be in an included JS file, in your document's head:
function initializePage(){
$('my-div').observe('click', divClicked);
}
function divClicked(event){
var myDiv =
I have noticed huge performance problems in IE when doing what should
be a simple operation, like: $$('body')
It's instantaneous in Firefox, and dog-slow in IE.
-justin
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On Jan 23, 2008 2:27 PM, elduderino [EMAIL PROTECTED] wrote:
Does using the $$ give extend an element like $ does? I can't find a
clear answer on this so i thought i'd post.
Yes it does, but keep in mind it returns a collection of elements, not
a single one. Even when your selector only
On Jan 23, 2008 3:42 PM, elduderino [EMAIL PROTECTED] wrote:
how do i add an id to an element i've just createdi've just
done:
You'll want to use the Element constructor for that:
http://prototypejs.org/api/element
new Element('a', { id: 'my-id', class: 'my-class', href:
On Jan 23, 2008 4:00 PM, Michael Sharman [EMAIL PROTECTED] wrote:
So if I fire an ajax form submission (and the same form is returned in
that ajax response), then attempt to fire it again (without reload the
entire page) it seems to fail.
It only works in that scenario when I have the
On Jan 23, 2008 4:10 PM, Tobie Langel [EMAIL PROTECTED] wrote:
Hi,
Watch out for class... it's a reserved keyword in JS. Prototype
supports either using className (preferred imho) or 'class':
Oh yes, good point. Looks like somebody needs to update the Prototype
API page for Element, because
Ideally speaking, you are spot on Matt, but in reality I just don't
see that to be a feasible, scalable option. In a large project, such
an approach has lead me (I used to be a stickler for such design
patterns) down a prickly path of one-off solutions in hundreds of
different places in my
On Jan 24, 2008 1:09 PM, dashifen [EMAIL PROTECTED] wrote:
That's been my experience as well. Hanging commas just seem to cause
problems for IE from which it (a) doesn't recover and (b) doesn't tell
you about.
A hanging comma will cause trouble for Safari as well, it's classified
as a
Take the advice of kangax and Richard,
To set the selected item of a select box, you use selectedIndex.
There is no better way. Setting the selected attribute on an option is
not a reliable means of setting the selected state, not to mention it
requires you to unset the selected attribute on
On Jan 25, 2008 5:57 PM, RobG [EMAIL PROTECTED] wrote:
Depends on your criteria for better.
No, it doesn't.
I guess I should have clarified that I'm referring to a means to
reliably set the selected state for a select box, across all browsers,
without branching.
-justin
On Jan 27, 2008 7:09 PM, Nathan Nobbe [EMAIL PROTECTED] wrote:
im not sure why you want to retrieve the remote script once the page has
loaded.
It's actually a very nice way to include external scripts, since the
loading of a script (with src) has an effect on page load times, which
impacts
Try putting a return false on that function.
-justin
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On Jan 27, 2008 9:46 PM, Gareth Evans [EMAIL PROTECTED] wrote:
Thanks for getting back to me,
I found that the startTagAdd function was causing execution to stop without
a javascript error, which meant the e.stop() never got called.
Yes, that would cause the error :)
I just typically do
On Jan 28, 2008 9:50 AM, Nathan Nobbe [EMAIL PROTECTED] wrote:
the script is just a simple thing to allow 'buttons' to be animated.
Why do you include something like that through a remote script
include? Why can't you include that code in your local application's
javascript file? Is it for
On Jan 28, 2008 3:29 AM, Jean-Philippe Encausse [EMAIL PROTECTED] wrote:
Thanks i'm going to try that. It is close to what I already tried. If
I remember the script loads but replace the full page. It's a little
bit weird.
The script you are including is probably doing document.write, which
You need to bind the this object to your Ball object for the event
listener. Also, instead of using anonymous functions as page
initializers, I prefer to utilize named methods (so they can be more
easily extended/detached).
var Ball = {
initialize: function(){
this.ball = $('ball');
Is 'select' a reserved word perhaps?
-justin
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On Jan 29, 2008 10:04 PM, Nycto [EMAIL PROTECTED] wrote:
For anyone interested, I also managed to figure out why the method
doesn't work as I was using it. It turns out that Select nodes have a
pre-existing function named remove
Ahh, good catch. Thanks for posting the follow-up.
-justin
Try: originalRequest.transport.responseText
-justin
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On Jan 30, 2008 10:40 AM, OmenKing [EMAIL PROTECTED] wrote:
(1) serializing and passing with Ajax
Try using toJSON() on the collection, like:
tasks = $A([
{ :id = 1, :name = 'Foo' },
{ :id = 2, :name = 'Bar' },
]);
tasks.toJSON()
Where are the %5B%5D coming from?
Those are escaped
On Jan 30, 2008 1:01 PM, OmenKing [EMAIL PROTECTED] wrote:
Even though JSON is really cool I'm not sure if thats what I need.
It may not be, but I think it's the easiest method of passing
arbitrary data objects back and forth. Prototype is certainly well
equipped for it.
To deal with
On Jan 30, 2008 1:38 PM, OmenKing [EMAIL PROTECTED] wrote:
That would be the simpler solution but it may not be practical for my
me.
I'll moving this code over to an asp classic system.
I was just using it in ruby for simple testing and showing purposes.
Since this list is to discuss the
On Jan 30, 2008 1:46 PM, wte [EMAIL PROTECTED] wrote:
What am I not understanding?
In anonymous functions like that (you're iterator), you need to bind
to the current instance of your object. So this:
initialize : function() {
$$(span).each(function(item, index) {
On Jan 30, 2008 2:29 PM, wte [EMAIL PROTECTED] wrote:
I did not catch that I needed to bind the iterator.
Yes, you are binding the iterator so that you can use 'this' and have
the same context inside the anonymous function as you have outside the
function. Think of it like a means to pass the
On Jan 30, 2008 6:57 PM, kaydub [EMAIL PROTECTED] wrote:
$('element1','element2').onchange =
this.EventHandlerFunction.bindAsEventListener(this);
When you pass multiple element ID's, you get an array of elements
instead of an individual element. Since you want to attach the event
listener to
On Feb 4, 2008 10:45 AM, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
I have changed the ajax call to:
Sortable.create(inlist, {tag:'div',dropOnEmpty: true, containment:
[inlist,notlist],constraint:false, onUpdate:function(){new
Ajax.Updater('table', '/picture_management/updatetable',
On Feb 5, 2008 10:02 AM, Stan McFarland [EMAIL PROTECTED] wrote:
ok, I misspoke. It turns out the error is not with the GET or POST
issue at all, but the fact that my site is an HTTPS site.
Are you saying that in the address bar the URL is https, and
presumably your Ajax request is a
On Feb 5, 2008 11:30 AM, jonathon [EMAIL PROTECTED] wrote:
My only confusion, is where is the response? I can see it in firebug,
but have no clue how to access it! I would like something like:
$('person-example').request({
onComplete: function(){ $('div').innerHTHML = response; }
})
I am trying to catch failed Ajax requests, but I'm talking about
requests that receive no response from the server (server is down),
not responses that result in a 500.
The latter can be handled with the onException or onFailure callback,
but I am not able to handle the former.
To
Thanks a lot Ken, that's exactly what I need to see.
-justin
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On Feb 6, 2008 9:18 AM, Abba [EMAIL PROTECTED] wrote:
Thanks, it works. But in the end is like passing the Id of the element
and then make a getElementByID... is not what i was expecting :(
The $() function not does what the getElementByID() function does, but
it also does so much more,
To add to Christophe's reply, for clearing out hash entries, use the
unset method...
myhash.unset(propNameExpr)
Depending on the size of your project, this can be a rather daunting
exercise, but well worth it :)
-justin
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On Feb 10, 2008 2:57 PM, Burst Web Solutions [EMAIL PROTECTED] wrote:
Its writing the value to the screen
That's what happens when you use document.write like that. If you're
just debugging, and you use Firefox/Firebug, use console.log instead.
-justin
If there is nothing there but white space, how is anyone supposed to
know that the intention is to click to edit the non-existent value?
This was discussed recently, the comments in this thread may help:
You cannot have a form in a form, you're probably doing a
page.replace_html 'form_id', :partial = 'form_partial' which is
causing this situation. You need to have an inner div with a unique ID
and a partial for the form contents that you will replace. Something
like:
form id=foo
div
acts_as_taggable is a plugin in Rails 2.0, as is many other things
that provided JavaScript helper methods for you. This is better
discussed on a Rails-focused list.
This post explains all the changes (see the section titled Active
Record: Shedding some weight):
On Feb 13, 2008 12:02 AM, emullet [EMAIL PROTECTED] wrote:
Is there anything else that I'm missing that would be really useful to
newbs?
Event observers?
-justin
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You should be able to attach events just fine to hidden elements,
assuming they are in the DOM, but with their visibility turned off
(display:none or visibility:hidden).
-justin
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You might want to consider defining the function once in your JS file,
then call it from the Rails partial with parameters instead of
re-defining the function every time the partial is rendered.
There was a thread about this recently, I seem to remember the guy in
that thread having a similar
On Wed, Feb 20, 2008 at 11:54 PM, joe t. [EMAIL PROTECTED] wrote:
Wow, would have thought more people would have noticed and/or spoken
up by now. i've seen it down since Wednesday.
Do you mean Wednesday of last week, because today is Wednesday :|
There was this other thread from two days
Moderating new members would make the list spotless, but does require
substantially more work on behalf of the admins.
-justin
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On Sun, Feb 24, 2008 at 10:43 PM, mng0 [EMAIL PROTECTED] wrote:
I want to call another method after my move-effect is finished.
You want to use the afterFinish parameter to pass in a function.
http://wiki.script.aculo.us/scriptaculous/show/CoreEffects
-justin
I didn't realize that you could focus non-form controls, such as a
span. What purpose does this serve?
-justin
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On Mon, Mar 3, 2008 at 11:11 AM, Brian Williams [EMAIL PROTECTED] wrote:
Just because Intel releases a new chip doesn't mean I need to go out and buy
it.
Just because you have lots of metaphors up your sleeve, doesn't make
them applicable to web development ;)
This is how I look at it:
You cannot use an Ajax.Updater to update an input control. All the
updater does is basically call $('your-id').update('your Ajax
Response') which will never work on an form control.
Switch back to using an Ajax.Request and an onSuccess handler like you
were doing before if you really want to
On Tue, Mar 25, 2008 at 12:04 PM, kangax [EMAIL PROTECTED] wrote:
There's a (not yet documented) #setValue method (since 1.6)
True, but isn't it Form.Element.setValue('id, 'value') ?
$('id').value = 'value' is still pretty easy :)
-justin
Isn't the problem that you're assigning the periodical updater to a
global variable objTick and then later you're trying to access the
same object via this.objTick?
objTick = new Ajax.PeriodicalUpdater(
...
this.objTick.stop();
The Ajax.PeriodicalUpdater object most certainly supports the
Your copied text is lacking the code syntax from the page, but
position is a keyword and is to be replaced by the position you
desire. Here are some examples:
$('foo').insert( { top: 'pHello/p' } )
$('foo').insert( { bottom: 'pHello/p' } )
$('foo').insert( { before: 'pHello/p' } )
On Wed, Mar 26, 2008 at 2:43 PM, adriand [EMAIL PROTECTED] wrote:
as currently, I do
think it is a bit lacking.
It's lacking from a new to prototype sense, but once you're familiar
with prototype I think you'll find that the site is a wonderful
resource. I do agree that it (that sentence)
Well, you're going to run into trouble if both the classes you are
trying to mixin to you Person class are both implementing the same
method names, but assuming that is not the case you can use
Object.extend to mixin another set of methods when you're creating the
class. This is pretty crazy and
I should follow up that when I said if both the classes I really
meant to say objects. I don't even want to know what happens when you
start mixing together multiple classes into a child class (which all
would have an initialize method) and then try to instantiate a new
hybrid object. Don't do
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