w2ui grid bug sort

by wondertalik

HTML

<script src="https://rawgit.com/vitmalina/w2ui/master/dist/w2ui.min.js"></script>
<link rel="stylesheet" href="https://rawgit.com/vitmalina/w2ui/master/dist/w2ui.min.css">
<div id="grid" style="width: 100%; height: 350px;"></div>

JavaScript

$('#grid').w2grid({
    name: 'grid',
    show: {
        lineNumbers: false,
        toolbar: true,
        toolbarReload: false,
        toolbarColumns: false,
        columnHeaders: true,
        selectColumn: true
    },
    multiSelect: true,
    columns: [
        {
            "field": "FechaAlbaran",
            "caption": "Mes",
            "sortable": true,
        },
       
    ]
    ,
    records: [
      
    ]
});