public/javascripts/yui/datatable/datatable.js
function() {
    this._unsetLastRow();
    var elTr = this.getLastTrEl();
    if(elTr) {
        // Assign class
        Dom.addClass(elTr, DT.CLASS_LAST);
        this._sLastTrId = elTr.id;
    }
}
function() {
    this._unsetLastRow();
    var elTr = this.getLastTrEl();
    if(elTr) {
        // Assign class
        Dom.addClass(elTr, DT.CLASS_LAST);
        this._sLastTrId = elTr.id;
    }
}
function ( ) { this . _unsetLastRow ( ) ; var elTr = this . getLastTrEl ( ) ; if ( elTr ) { // Assign class Dom . addClass ( elTr , DT . CLASS_LAST ) ; this . _sLastTrId = elTr . id ; } }
Assigns the class YAHOO.widget.DataTable.CLASS_LAST to the last TR element
of the DataTable page and updates internal tracker.

@method _setLastRow
@private
Assigns the class YAHOO . widget . DataTable . CLASS_LAST to the last TR element of the DataTable page and updates internal tracker .