(function ($) {
  $.fn.Tips = function (options) {
    var defaults = {
      html: "",
      times: 3000
    }
    _this_ = $("#tips");
    _this_.html(options.html);
    _this_.show();
    setTimeout(function () { _this_.hide() }, options.times);
  };
})(jQuery);

.tips
{
  height: 20px;
  background-color: Green;
  padding: 5px 20px;
  color: White;
  display: none;
  margin-left: 50px;
}

<span class="tips" style="display:none" id="tips"><span>
<script>
$("#aa").Tips({html:"提示信息的内容",times:4000})
</script>