$(document).ready(function() {

    var eventFired = function(type) {

        var n = $('#demo_info')[0];

        n.innerHTML += '<div>' + type + ' 事件- ' + new Date().getTime() + '</div>';

        n.scrollTop = n.scrollHeight;

    }

    $('#example').on('order.dt',

    function() {

        eventFired('排序');

    }).on('search.dt',

    function() {

        eventFired('搜索');

    }).on('page.dt',

    function() {

        eventFired('翻页');

    }).dataTable();

});