If you don’t want to use PnPjs for the fluent syntax then do it for your team or for your own sanity. I promise you won’t be disappointed.
Did you know that you can use SharePoint Framework to also build applications for Microsoft Teams?
When building a Microsoft 365 app, you might want to store user settings. Here's the easiest way to do it.
SharePoint Framework is a very powerful model for extending SharePoint... in the cloud. On-premises, it's a whole different story.
If you often need to check the properties of a particular object in Office 365, interactive scripts might be just the thing you need.