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Merge pull request #86 from timtucker/patch-3

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Improve dom iteration performance in _fnApplyToChildren
This commit is contained in:
Allan Jardine 2012-09-02 01:34:13 -07:00
commit dd2f084794
1 changed files with 12 additions and 9 deletions
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21
media/src/core/core.scrolling.js
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@ -1,5 +1,4 @@
/**
* Add any control elements for the table - specifically scrolling
* @param {object} oSettings dataTables settings object
@ -484,27 +483,31 @@ function _fnScrollDraw ( o )
*/
function _fnApplyToChildren( fn, an1, an2 )
{
var index=0,
i, iLen, j, jLen;
var index=0, i=0, iLen=an1.length;
var nNode1, nNode2;
for ( i=0, iLen=an1.length ; i<iLen ; i++ )
while ( i < iLen )
{
for ( j=0, jLen=an1[i].childNodes.length ; j<jLen ; j++ )
nNode1 = an1[i].firstChild;
nNode2 = an2 ? an2[i].firstChild : null;
while ( nNode1 )
{
if ( an1[i].childNodes[j].nodeType == 1 )
if ( nNode1.nodeType === 1 )
{
if ( an2 )
{
fn( an1[i].childNodes[j], an2[i].childNodes[j], index );
fn( nNode1, nNode2, index );
}
else
{
fn( an1[i].childNodes[j], index );
fn( nNode1, index );
}
index++;
}
nNode1 = nNode1.nextSibling;
nNode2 = an2 ? nNode2.nextSibling : null;
}
i++;
}
}