The status script functions are listed out in the SP.UI.Status class. in SP.js which is added in master page by default.

The SP.UI.Status class has 6 functions.

  1. addStatus: used to add the status bar information.
  2. appendStatus: used to append the information.
  3. removeAllStatus: remove all status.
  4. removeStatus: remove status.
  5. setStatusPriColor: used to set color for the status bar information.
  6. updateStatus: update / replage the status information.

So simply follow the steps to add the information / warning in SharePoint site.

  1. Add a Script Editor / Content editor web part in the page,

    editor

  2. Edit snippet and add the below code to show the information.
    1. <script>
    2. window.onload = function()
    3. {
    4. var Status;
    5. Status = SP.UI.Status.addStatus("Information : ", "<imgsrc='/_Layouts/Images/STS_ListItem_43216.gif' align='absmiddle'><font color='#AA0000'>We sincerely apologize for the inconvenience.Our site is currently undergoing maintenance and upgrades and will return return shortly.</font>", true);
    6. SP.UI.Status.setStatusPriColor(Status, "yellow");
    7. }
    8. </script>
  3. Save the page and refresh.

    Now the page looks as below,
    page

    Woo hoo , Now it’s very simple to show the notification for alerts/ warnings in SharePoint site.

    For more info, refer https://goo.gl/45xmbX

    Refer the article here in my personal blog.