function numericIndexGetter(row, index) {
    if (row == null)
        return '';
    // mimic behavior of deepValueGetter
    if (!row || index == null)
        return row;
    var value = row[index];
    if (value == null)
        return '';
    return value;
}
function numericIndexGetter(row, index) {
    if (row == null)
        return '';
    // mimic behavior of deepValueGetter
    if (!row || index == null)
        return row;
    var value = row[index];
    if (value == null)
        return '';
    return value;
}
function numericIndexGetter ( row , index ) { if ( row == null ) return '' ; // mimic behavior of deepValueGetter if ( ! row || index == null ) return row ; var value = row [ index ] ; if ( value == null ) return '' ; return value ; }
Returns the value at this numeric index.
@param row array of values
@param index numeric index
@returns {any} or '' if invalid index
Returns the value at this numeric index .
This function is a helper function to get numeric values from a row