                       action: function (e, dt, node, config) {
                                    dt.column(-1).visible(!dt.column(-1).visible());
                                }
                            }
                        ]
                    }
                ]
            });
        });


    </script>
</head>
<body class="dt-example">
<div class="container">
    <section>
        <h1>Buttons example <span>Collections</span></h1>
        <div class="info">
            <p>The <a href="//da