
Ensure that you have dragged bootstrap.css (or and js file) before trying to insert snippet. Install following Packs to enable intellisense. The file should include the following content. Open Visual Studio Go in Extensions and Updates and then click on Online Tab. Use an online version of Office.js by adding a tsconfig.json file to the root of the web application project in the add-in solution. 3.create a angular core web application in VS2019 to check whether intelliense works well. selector.

2.start VS2019 with devenv /safemode in case they interfere with intellisense. > Reset all settings) to make sure the Settings do not interfere with the use of intellisense. The Office Add-in project templates in Visual Studio add this local copy when you create an add-in project. 1.reset your VS settings ( Tools -> Import and Export Settings.

Have a local copy of the Office.js files in a folder in your solution named \Office\1\. IntelliSense is a general term for various code editing features including: code completion, parameter info, quick info, and member lists. You need to provide the definitions of the types in Office.js to Visual Studio. For more details, see JavaScript IntelliSense and JSDoc support in JavaScript. Our solution(s) include referenced assemblies from a shared dll directory even if the solution open the actual project. This article provides an overview of JSDoc and how you can use it to create IntellSense in Visual Studio. So to me it looks like intellisense cache (or something) is not getting updated. When you use Visual Studio 2019 and later to develop Office Add-ins, you can use JSDoc to enable IntelliSense for your JavaScript variables, objects, parameters, and return values.
