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Update media/src/ext/ext.sorting.js

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handle undefined values, skip toLowerCase call for empty strings
This commit is contained in:
Tim Tucker 2012-09-30 20:05:09 -03:00
parent 6b605936f7
commit 23fc3858d9
1 changed files with 7 additions and 3 deletions
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10
media/src/ext/ext.sorting.js
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@ -1,12 +1,16 @@
$.extend( DataTable.ext.oSort, {
/*
* text sorting
*/
"string-pre": function ( a )
{
if ( typeof a != 'string' ) {
a = (a !== null && a.toString) ? a.toString() : '';
if ( typeof a != 'string' )
{
if (a === null || a === undefined || !a.toString)
{
return '';
}
a = a.toString();
}
return a.toLowerCase();
},