Javascript As Client In Webapp Sharepoint Online Backend

I have a colleague with a strange idea , (or maybe not so strange ? :) I need your help to determine ... He wants to use JavaScript in a Web client application (in this case EPiSer

Solution 1:

If I understand you correctly, you are trying to access SharePoint Online resources from a different domain. This is usually prohibited by SharePoint as Cross-Site-Scripting. You have to authenticate yourself to SharePoint before you can use any of it. If you can describe your intentions more clearly, it might help to post them on https://sharepoint.stackexchange.com/