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2347Re: [ydn-javascript] research: why YUI dragdrop is so slow

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  • Tim Hosking
    Jun 16, 2006
      Hrrmmmm, ahem. cough. Any more thoughts about speeding up the
      caching? :-)

      --
      Munger

      On 16 Jun 2006, at 21:30, Adam Moore wrote:

      > On Fri, Jun 16, 2006 at 08:06:24AM -0700, Peter Michaux wrote:
      >> Hi,
      >>
      >> I spent some time trying to pin down exactly why the Yahoo! UI
      >> dragdrop library is so slow for me during the drag. I think it is the
      >> use of YAHOO.util.Dom.setXY().
      >
      > Peter, thanks for drilling into this. Originally drag and drop did
      > not rely
      > on setXY, but was later updated to use it in order to benefit from the
      > accuracy it provides. While setXY can't be replaced, we should be
      > able to
      > improve the performance by caching the initial position produced by
      > setXY and
      > using that value to set the position directly during the drag. I am
      > investigating incorporating this change for the 0.11 release.
      >
      > -Adam
      >
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      Munger
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