Q&A Forums

learn.microsoft.com/answers

The home for technical questions and answers at Microsoft.

link - learn.microsoft.com/en-us/answers/topics/office-js-dev.html 

stackoverflow.com

Free knowledge sharing and collaboration platform.

link - stackoverflow.com/questions/tagged/office-js 

tags - office-js
tags - office-scripts
tags - outlook-web-addins

reddit.com

Questions and discussion on all things relating to the JavaScript API for Office, including Script-Lab and Office Scripts.

link - reddit.com/r/OfficeJs/