I'm a big advocate for explicit type annotations in code. Likewise, either or is good with me. However, these days I lean towards using JSDoc only because I prefer not to add typescript lib and an additional build step just to get type safety in a project.
Also, you can use both (if that's what you prefer).
The infrastructure and energy required to power these systems at scale are critical. I hope we carefully consider the environmental impact of building and operating data centers. I’m optimistic that we will develop efficient and sustainable solutions to power the data centers of today and the future