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Message-ID: <1437763.yZijEUq800@PointedEars.de>
From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Reply-To: Thomas 'PointedEars' Lahn <cljs@PointedEars.de>
Organization: PointedEars Software (PES)
Date: Tue, 04 Mar 2014 15:56:40 +0100
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Subject: Re: Reversing the rows of a table ??
Newsgroups: comp.lang.javascript
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Michael Haufe (TNO) wrote:

> Thomas 'PointedEars' Lahn wrote:
>> Michael Haufe (TNO) wrote:
>> > One approach is to create a second tbody in the table and then
>> > copy/move the old rows from the bottom up into the new tbody and then
>> > remove the old tbody when complete.
>> > 
>> > <https://developer.mozilla.org/en-US/docs/Web/API/HTMLTableElement>
>> > 
>> > Evertjan is correct though that it would be wiser to populate a
>> > different data structure and then reverse it there before populating
>> > the table.
>> 
>> That would require
>> 
>>   1a. Creating a native object.
>>   2a. Copying the table (body) data to that object.
>>   3a. Reversing the order of the data in the object.
>>   3b. nothing
>>   4a. Copying the data from the object to the DOM object.
>>   4b. Copying the data from the object to the DOM object
>>       in reverse order.
>> 
>> By contrast, you could just
>> 
>>   1c. Reverse the order of the nodes in the document tree in place.
>> 
>> Why is the former wiser?
> 
> It isn't, nor did I suggest it.

You agreed with that assessment.

> I think you've misinterpreted what was written.

If not the former four steps, what, then, do you understand to mean 
“populate a different data structure and reverse it there before populating 
the table”?

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