[jira] Updated: (WICKET-2127) Javascript function Wicket.replaceAll is unbearably slow

["Sean Patrick Floyd (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-2127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Patrick Floyd updated WICKET-2127:
---------------------------------------

    Attachment: wicketReplaceAll.js

Using this version of Wicket.replaceAll changed the performance dramatically.

Now the FireBugs Profiler says the script takes up 1.98% of the processing time as opposed to ~60%

Sean

> Javascript function Wicket.replaceAll is unbearably slow
> --------------------------------------------------------
>
>                 Key: WICKET-2127
>                 URL: https://issues.apache.org/jira/browse/WICKET-2127
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.4-RC2
>         Environment: Firefox 3.0.5, Opera 9.2 (windows)
>            Reporter: Sean Patrick Floyd
>             Fix For: 1.4-RC3
>
>         Attachments: wicketReplaceAll.js
>
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> I use AbstractAjaxTimerBehavior to update many different components on my pages periodically.
> After a while, the browser occupies 50% or more of the system resources.
> I used the javascript profiler in firebug and found that Wicket.replaceAll is responsible for 60+ percent of javascript processing time.
> The problem is that sequential string processing is used instead of much faster regular expressions

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