Very slow javascript in web-application

[suprairc]

Hello there,

We are having some javascript issues in our web-application, since it has become very slow lately. I used a javascript profiler to analyse the execution of the javascript. There are some functions in framework.pack.js.jsf which take way too long too execute. Below is a list of the functions which took the longest:

i()	25	39.57%	1719.356ms	1724.177ms
curCSS()	173	29.05%	1262.027ms	1262.027ms
visible()	1	10.03%	435.967ms	435.967ms
updatePagePart()	9	8.15%	353.925ms	408.795ms
getStyle()	28	6.12%	266.121ms	272.119ms
$	352	0.66%	28.527ms	30.803ms

Can someone tell me what these functions do, and why they have become very slow lately?

Thanks in advance,

Jordy Baas

[nbelaevski]

Hi,

Please try the same using DEFAULT scripts loading strategy and post results. Also post page code.

[boy18nj]

Also Jordy, can you please let me know which java profiler you are using.

[suprairc]

How do I use DEFAULT scripts loading strategy.

I can't post you the page code since we create our components dynamically in JAVA.

And by the way, I didn't use a JAVA profiler, but a Javascript Profiler. I used the one built-in Firebug.

[ilya_shaikovsky]

How do I use DEFAULT scripts loading strategy.

     <context-param>
          <param-name>org.richfaces.LoadScriptStrategy</param-name>
          <param-value>DEFAULT</param-value>
     </context-param>
 

I can't post you the page code since we create our components dynamically in JAVA.

so show the code which creates page.

[suprairc]

I tried that, but that didn't help

It is very difficult for me to post the page, because it's a huge application which generates a GUI based on a Database Driven application.

But can you tell me what the i() and curCSS() functions do? And why they take so long to execute.

[suprairc]

I also want to mention that this problem only occurs in Firefox. IE8 and Chrome are still working normal.