Re: [docbook-apps] Slow TOC tree in webhelp when there are a largenumberof heading entries

[David Cramer <david@thingbag.net>]

To get rid of that error, in main.js, change line 64 from:

            var style = a.getAttribute("style");

to:

            var style = a.getAttribute("style", 2);


For more information see:
http://msdn.microsoft.com/en-us/library/ms536429%28v=vs.85%29.aspx

David

On 03/31/2011 09:15 PM, David Cramer wrote:
> Thanks for reporting the information Denis. I've opened a tracker item
> for it:
> https://sourceforge.net/tracker/?func=detail&aid=3266134&group_id=21935&atid=373747
> 
> David
> 
> On 03/31/2011 06:22 PM, Denis Bradford wrote:
>> When I ran a medium-size webhelp document on MSIE 8 and clicked a
>> search result I also got slow performance. And this error, which even
>> appears when I run the small webhelp demo.
>>
>> ================
>> Webpage error details
>>
>> User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1;
>> Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR
>> 3.0.04506.30; .NET CLR 3.0.04506.648; InfoPath.2; .NET CLR
>> 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E)
>> Timestamp: Fri, 25 Feb 2011 20:59:29 UTC
>>
>>
>> Message: Object doesn't support this property or method
>> Line: 65
>> Char: 13
>> Code: 0
>> URI: file:///C:/webhelp/demo/out/common/main.js
>> ================
>>
>> Here's the referenced line in main.js:
>>   if (style != null && !style.match(/background-color: Background;/)) {
>>
>> The generated HTML has this line with the background-color style:
>> <div id="leftnavigation" style="padding-top:3px;
>>    background-color:white;">
>>
>> Maybe this error explains why expanded TOC trees don't have shaded
>> backgrounds in MSIE 8, as they do in other browsers.
>>
>> Googling on this connection, I read that MSIE 8 doesn't support the
>> match function. I tried switching to the search function, with the
>> same result.
>>
>> Too bad you can't just advise people not to use MSIE -- that might
>> solve a whole bunch of other problems too ;-)
>>
>> Cheers,
>> Denis
>>
>> On 03/31/2011 06:41 PM, david@thingbag.net wrote:
>>> Also see the Recommended Apache Configurations section to improve
>>> performance. In fact, those settings are all things Kasun researched
>>> last summer :-) The TDG example on thingbag.net that Kasun pointed to
>>> benefits from those settings:
>>>
>>> http://docbook.sourceforge.net/release/xsl/current/webhelp/docs/content/ch02s02.html
>>>
>>>
>>> The TDG example is a pretty large book and it works ok in webhelp. At
>>> some point, however, you would indeed hit a limit since one of the side
>>> effects of having no frameset is that the toc tree is on every page in a
>>> div.
>>>
>>> A possible improvement would be to store the toc tree in a separate js
>>> file, so it could be cached. It's on the list of things we'd like to
>>> improve: http://docbook.xmlpress.net/tiki-index.php?page=WebHelp2011
>>>
>>> Thanks,
>>> David
>>>
>>
> 
> 
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