This is about a topic brought up by Waldek Mastykarz: Just because you can should you use the Office 365 CDN. In my post I want to take a closer look at the private CDN option in Office 365. Please note, the whole thing is subject to change, and it reflects the circumstances at the time of writing - 2019-08-26.

I’ll skip the introduction of Office 365, let’s jump directly to the Private CDN option. Consider following scenarios.

Recently I needed to create valid urls for pages using javascript. Also this time I thought it must be some out-of-the-box code for that in SharePoint. The first thing I came up  was the “Add page” dialog.  I found that the actual dialog was in the _layouts virtual folder:

/_layouts/15/CreatePublishingPageDialog.aspx

Bingo, it does the validation in the client side. This is the responsible javascript function that resides directly in the page:

In SharePoint 2010 if CMSSiteManager.js library is loaded besides jQuery, then much of stuff stops working. The reason is that the dollar sign ($) is used in cmssitemanager.js as well which conflicts with jQuery. Mostly it appears on pages where you load jQuery and have an image library with thumbnails. To avoid this, just replace all $ with jQuery in your custom scripts. A more crazy situation is when avoiding $ isn’t enough. It is when you load jQuery to page head automatically on all pages. The Asset picker (AssetPortalBrowser.aspx) invokes $ itself and gets with jQuery in conflict without you write a single line of custom javascript code. You usually get the following error:

We can use PublishingPageContent Property to write content to a page:

<?xml version="1.0" encoding="utf-8"?>
<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
 <Module Name="Pages" Url="$Resources:cmscore,List\_Pages\_UrlName;" >
 <File Path="Pages\\Help.aspx" Url="Help.aspx" Type="GhostableInLibrary">
 <Property Name="Title" Value="Contoso Help Page" />
 <Property Name="PublishingPageLayout" Value="~SiteCollection/\_catalogs/masterpage/ContosoPageLayout.aspx, Text page" />
 <Property Name="ContentType" Value="$Resources:cmscore,contenttype\_welcomepage\_name;" />
 <Property Name="PublishingPageContent" Value="hello world"/>
 </File>
 </Module>
</Elements>