【JavaScript】未来事件的处理

$(document).on('click','.del',function(){
        var that = $(this),
            href = !that.attr('data-href') ? that.attr('href') : that.attr('data-href');
        layer.confirm('删除之后无法恢复，您确定要删除吗？', {title:false, closeBtn:0}, function(index){
            if (!href) {
                layer.msg('请设置data-href参数');
                return false;
            }
            $.get(href, function(res){
                layer.msg(res.msg);
                if (res.code == 1) {
                    that.parents('tr').remove();
                }
            });
            layer.close(index);
        });
        return false;
    })