No problems at all..... i just dont want to upset the client who paid for
the development of it.
----- Original Message -----
From: "Richard Quadling" <rquadl...@googlemail.com>
To: <prototype-scriptaculous@googlegroups.com>
Sent: Monday, July 20, 2009 4:38 PM
Subject: [Proto-Scripty] Re: Checking if prototype is loaded
>
> 2009/7/20 Alex McAuley <webmas...@thecarmarketplace.com>:
>>
>> I can share most of it though the minifier i wrote is not available as
>> its
>> part of a package someone paid me to develop....
>>
>> I can certainly give you the concepts of what needs doing and i am sure
>> you
>> can work out the code.
>>
>> I'll make a pastie of everything that should be done and put the link up
>> when its finished
>>
>> Alex
>>
>> ----- Original Message -----
>> From: "Richard Quadling" <rquadl...@googlemail.com>
>> To: <prototype-scriptaculous@googlegroups.com>
>> Sent: Monday, July 20, 2009 4:09 PM
>> Subject: [Proto-Scripty] Re: Checking if prototype is loaded
>>
>>
>>>
>>> 2009/7/20 Alex McAuley <webmas...@thecarmarketplace.com>:
>>>>
>>>> The technique i developed is about 5 times faster than the one in the
>>>> link
>>>> you provided and alot less server load!.......
>>>>
>>>> However back in 2006 it was good insight from razaak to achieve it that
>>>> way..
>>>>
>>>> Thanks for the info.
>>>>
>>>> Alex
>>>> ----- Original Message -----
>>>> From: "Richard Quadling" <rquadl...@googlemail.com>
>>>> To: <prototype-scriptaculous@googlegroups.com>
>>>> Sent: Monday, July 20, 2009 3:22 PM
>>>> Subject: [Proto-Scripty] Re: Checking if prototype is loaded
>>>>
>>>>
>>>>>
>>>>> 2009/7/20 Alex McAuley <webmas...@thecarmarketplace.com>:
>>>>>>
>>>>>> With a script that gathers everything first, minifies, checks for
>>>>>> gzip
>>>>>> handling and outputs the appropriate response! ... same with CSS.
>>>>>>
>>>>>> When i started looking into speeding pages up using the google "page
>>>>>> speed"
>>>>>> add on for firefox i had 7 red x's .... now i have 100% green ticks!
>>>>>> which
>>>>>> is thanks to a few hacks i worked out but mainly due to downloading
>>>>>> everything the page needs in one hit rather than paralell or lazy
>>>>>> loading!... couple that with caching and you have a lightning web
>>>>>> app.
>>>>>>
>>>>>>
>>>>>>
>>>>>> ----- Original Message -----
>>>>>> From: "Richard Quadling" <rquadl...@googlemail.com>
>>>>>> To: <prototype-scriptaculous@googlegroups.com>
>>>>>> Sent: Monday, July 20, 2009 2:29 PM
>>>>>> Subject: [Proto-Scripty] Re: Checking if prototype is loaded
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> 2009/7/20 Alex McAuley <webmas...@thecarmarketplace.com>:
>>>>>>>>
>>>>>>>> Yer i dont load it via src="" as it slows the page down
>>>>>>>> dramatically!!!
>>>>>>>> ....
>>>>>>>>
>>>>>>>> Contrary to popular belief i have tried and tested external scripts
>>>>>>>> and
>>>>>>>> external css files and due to browsers paralell downloads with
>>>>>>>> YSlow
>>>>>>>> i
>>>>>>>> can
>>>>>>>> save around 7 seconds on loading a very heavy page full of
>>>>>>>> prototype,jQuery
>>>>>>>> some UI stuff and a bunch of CSS!...
>>>>>>>>
>>>>>>>> It does seem that it gets evaluated though you are correct, i went
>>>>>>>> back
>>>>>>>> and
>>>>>>>> checked after finding those bits out and watched page load speed
>>>>>>>> before
>>>>>>>> and
>>>>>>>> after!.
>>>>>>>>
>>>>>>>> Ta
>>>>>>>>
>>>>>>>> Alex
>>>>>>>>
>>>>>>>>
>>>>>>>> ----- Original Message -----
>>>>>>>> From: "Richard Quadling" <rquadl...@googlemail.com>
>>>>>>>> To: <prototype-scriptaculous@googlegroups.com>
>>>>>>>> Sent: Monday, July 20, 2009 12:23 PM
>>>>>>>> Subject: [Proto-Scripty] Re: Checking if prototype is loaded
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>> 2009/7/20 Alex McAuley <webmas...@thecarmarketplace.com>:
>>>>>>>>>>
>>>>>>>>>> Just an FYI incase anyone wondered ....
>>>>>>>>>>
>>>>>>>>>> It seems (at least in firefox 3x, IE7+, CHrome, Safari (windows))
>>>>>>>>>> that
>>>>>>>>>> the
>>>>>>>>>> browser or "prototype" itself wont load 2 copies of it....
>>>>>>>>>>
>>>>>>>>>> To Test i included prototype.js in the <head> and included it
>>>>>>>>>> again
>>>>>>>>>> in
>>>>>>>>>> the
>>>>>>>>>> body and there was only one output of javascript!....
>>>>>>>>>>
>>>>>>>>>> Kudos to the browser vendors or the script devs!!
>>>>>>>>>>
>>>>>>>>>> ----- Original Message -----
>>>>>>>>>> From: "Alex McAuley" <webmas...@thecarmarketplace.com>
>>>>>>>>>> To: <prototype-scriptaculous@googlegroups.com>
>>>>>>>>>> Sent: Monday, July 20, 2009 11:12 AM
>>>>>>>>>> Subject: [Proto-Scripty] Re: Checking if prototype is loaded
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Sorry my bad.... was "if(window.Prototype) ..."
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Sorry for silly post !!
>>>>>>>>>>>
>>>>>>>>>>> Alex
>>>>>>>>>>> ----- Original Message -----
>>>>>>>>>>> From: "Jeztah" <webmas...@thecarmarketplace.com>
>>>>>>>>>>> To: "Prototype & script.aculo.us"
>>>>>>>>>>> <prototype-scriptaculous@googlegroups.com>
>>>>>>>>>>> Sent: Monday, July 20, 2009 11:07 AM
>>>>>>>>>>> Subject: [Proto-Scripty] Checking if prototype is loaded
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Morning guys.
>>>>>>>>>>>>
>>>>>>>>>>>> Does anyone know a way to check if prototype is loaded or not
>>>>>>>>>>>> ....
>>>>>>>>>>>>
>>>>>>>>>>>> I have tried "if(Prototype) { ..." but just throws an undefined
>>>>>>>>>>>> error.
>>>>>>>>>>>>
>>>>>>>>>>>> I know i know i should know if it is loaded or not but my
>>>>>>>>>>>> servers
>>>>>>>>>>>> use
>>>>>>>>>>>> very heavy aggressive caching due to massive user loads and i
>>>>>>>>>>>> noticed
>>>>>>>>>>>> in my cache there was some javascript thats not even on the
>>>>>>>>>>>> page
>>>>>>>>>>>> left
>>>>>>>>>>>> in a session cache.
>>>>>>>>>>>>
>>>>>>>>>>>> To cut it short i use server side methods to gzip/minify js
>>>>>>>>>>>> files
>>>>>>>>>>>> on
>>>>>>>>>>>> page load (same with the css).... as they are loaded they go
>>>>>>>>>>>> into
>>>>>>>>>>>> an
>>>>>>>>>>>> array if whats loaded. Then on the page i am able to check the
>>>>>>>>>>>> "Cache"
>>>>>>>>>>>> of javascript loaded by checking a session array variable. The
>>>>>>>>>>>> trouble
>>>>>>>>>>>> is .... the session variable is rightly telling me prototype is
>>>>>>>>>>>> (included) - but not in the <head> tag so it is not showing up
>>>>>>>>>>>> as
>>>>>>>>>>>> a
>>>>>>>>>>>> loaded script once the page is refreshed!!!....
>>>>>>>>>>>>
>>>>>>>>>>>> would it be window.Prototype or is there a cleaner method ?
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks in advance
>>>>>>>>>>>>
>>>>>>>>>>>> Alex
>>>>>>>>>>>>
>>>>>>>>>>>> >
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> >
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> >
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> I would be careful of your assumptions.
>>>>>>>>>
>>>>>>>>> The second copy IS loaded. Hopefully from cache.
>>>>>>>>>
>>>>>>>>> You will notice that the very first line of javascript in
>>>>>>>>> prototye.js
>>>>>>>>> is
>>>>>>>>> ...
>>>>>>>>>
>>>>>>>>> var Prototype = {
>>>>>>>>>
>>>>>>>>> So, this will overwrite any pre-existing variable called
>>>>>>>>> Prototype.
>>>>>>>>>
>>>>>>>>> So, the second copy IS executed. As far as I can tell, all of the
>>>>>>>>> code
>>>>>>>>> in prototype.js can quite happily run twice or more without a
>>>>>>>>> problem.
>>>>>>>>>
>>>>>>>>> I think the issue would come if you had other code loaded between
>>>>>>>>> the
>>>>>>>>> 2 prototypes which you expected to be present. Say a plugin to
>>>>>>>>> prototype....
>>>>>>>>>
>>>>>>>>> <script type="text/javascript" src="/js/prototype.js"></script>
>>>>>>>>> <script type="text/javascript"
>>>>>>>>> src="/js/prototype-plugin.js"></script>
>>>>>>>>> <script type="text/javascript" src="/js/prototype.js"></script>
>>>>>>>>>
>>>>>>>>> If the plugin extends prototype's features in some way, then the
>>>>>>>>> second load of prototype will effectively reset Prototype back to
>>>>>>>>> the
>>>>>>>>> base version.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> -----
>>>>>>>>> Richard Quadling
>>>>>>>>> Zend Certified Engineer :
>>>>>>>>> http://zend.com/zce.php?c=ZEND002498&r=213474731
>>>>>>>>> "Standing on the shoulders of some very clever giants!"
>>>>>>>>> ZOPA : http://uk.zopa.com/member/RQuadling
>>>>>>>>>
>>>>>>>>> >
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> >
>>>>>>>>
>>>>>>>
>>>>>>> How do you load prototype?
>>>>>>>
>>>>>>> --
>>>>>>> -----
>>>>>>> Richard Quadling
>>>>>>> Zend Certified Engineer :
>>>>>>> http://zend.com/zce.php?c=ZEND002498&r=213474731
>>>>>>> "Standing on the shoulders of some very clever giants!"
>>>>>>> ZOPA : http://uk.zopa.com/member/RQuadling
>>>>>>>
>>>>>>> >
>>>>>>>
>>>>>>
>>>>>>
>>>>>> >
>>>>>>
>>>>>
>>>>> Ah. I use a slightly modified version of [1] for my js/css
>>>>> compression.
>>>>>
>>>>> When you said you don't load via src=, I wasn't thinking very
>>>>> cleverly.
>>>>>
>>>>> I don't use minify, but that would certainly help reduce the load on
>>>>> the line for the first hit and for each cache failure.
>>>>>
>>>>> Regards,
>>>>>
>>>>> Richard.
>>>>>
>>>>>
>>>>> [1]
>>>>> http://rakaz.nl/2006/12/make-your-pages-load-faster-by-combining-and-compressing-javascript-and-css-files.html
>>>>>
>>>>>
>>>>> --
>>>>> -----
>>>>> Richard Quadling
>>>>> Zend Certified Engineer :
>>>>> http://zend.com/zce.php?c=ZEND002498&r=213474731
>>>>> "Standing on the shoulders of some very clever giants!"
>>>>> ZOPA : http://uk.zopa.com/member/RQuadling
>>>>>
>>>>> >
>>>>>
>>>>
>>>>
>>>> >
>>>>
>>>
>>> Any chance of sharing your code?
>>>
>>> Just to give some support to razaak, prototype being loaded for every
>>> single page request was a significant load. In many cases it was the
>>> biggest load on a single page.
>>>
>>> With our intranet and the caching techniques, I can see that it is
>>> only ever loaded once per new machine/user combination (we have
>>> hot-desking).
>>>
>>> Richard.
>>>
>>>
>>> --
>>> -----
>>> Richard Quadling
>>> Zend Certified Engineer :
>>> http://zend.com/zce.php?c=ZEND002498&r=213474731
>>> "Standing on the shoulders of some very clever giants!"
>>> ZOPA : http://uk.zopa.com/member/RQuadling
>>>
>>> >
>>>
>>
>>
>> >
>>
>
> That'd be great.
>
> Do you have any problem if I share the code I create based upon your
> notes?
>
> --
> -----
> Richard Quadling
> Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731
> "Standing on the shoulders of some very clever giants!"
> ZOPA : http://uk.zopa.com/member/RQuadling
>
> >
>
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