layui给table列表添加鼠标悬停title显示

function tablehs() {
                tabhs = table.render({
                    elem: '#ta1currentTablehs',
                    id: 'ta1currentTablehs',
                    url: 'orderComplaint/uploadlist',
                    height: 300,
                    autoSort: false,//禁用前端自动排序，否则会与数据库返回的数据顺序不一致
                    contentType: 'application/json',
                    cellMinWidth: 80,
                    method: 'POST',
                    cols: [
                        [
                            {field: '序号', width: 80, title: '序号', align: 'center', type: 'numbers'},
                            {field: 'dataDate', width: 180, title: '数据时间', align: 'center'},
                            {field: 'fileName', title: '文件名称', align: 'center'}
                        ]
                    ],done:function(res){

                        tdTitle();

                    },
                    limits: [10, 15, 20],
                    page: true,
                });
            }
            //给列表文字添加title
            function tdTitle(){
                $('th').each(function(index,element){
                    $(element).attr('title',$(element).text());
                });
                $('td').each(function(index,element){
                    $(element).attr('title',$(element).text());
                });
            };