Error When Trying To Edit Created Document With Context.application.createdocument

I am developing an office web addin, and running in Word Online. I am trying to edit a document that I have created with context.application.createDocument. Here is the code: Wo

Solution 1:

This error is by design. On the newly created document, you can only call open methods. All others methods are not supported which means you can't operate the newly created document.