How to enable the necessary hints in VSCode (and disable the unnecessary ones)?

Question

Visual Studio Code

In VSCode, some incomprehensible hints come out:

(why is HashChangeEvent there anyway? what is it?)
, while the necessary and frequent methods do not prompt:

(here, for example, I’m waiting for the .getHours() hint, but instead some kind of get pops up and that's it. ..)
What settings controls this?

Answer 1

figured out what was going on - you need the dot in the snippets to be in front:

Answer 2

TypeScript helps a lot.
https://channel9.msdn.com/Events/Build/2017/B8088