DataTables fnFilterOnReturn plugin

dataTables.fnFilterOnReturn.js

jQuery.fn.dataTableExt.oApi.fnFilterOnReturn = function (oSettings) {
    var _that = this;

    this.each(function (i) {
        $.fn.dataTableExt.iApiIndex = i;
        var $this = this;
        var anControl = $('input', _that.fnSettings().aanFeatures.f);
        anControl
            .unbind('keyup search input')
            .bind('keypress', function (e) {
                if (e.which == 13) {
                    $.fn.dataTableExt.iApiIndex = i;
                    _that.fnFilter(anControl.val());
                }
            });
        return this;
    });
    return this;
};

$(function () {
    $('.dataTables_wrapper table').dataTable().fnFilterOnReturn();
});